[1] : The Collaborative International Dictionary of English v.0.48

proof \proof\, a.
   1913 webster
   1. used in proving or testing; as, a proof load, or proof
      charge.
      1913 webster

   2. firm or successful in resisting; as, proof against harm;
      waterproof; bombproof.
      1913 webster

            i . . . have found thee
            proof against all temptation.         --milton.
      1913 webster

            this was a good, stout proof article of faith.
                                                  --burke.
      1913 webster

   3. being of a certain standard as to strength; -- said of
      alcoholic liquors.
      1913 webster

   proof charge firearms, a charge of powder and ball,
      greater than the service charge, fired in an arm, as a gun
      or cannon, to test its strength.

   proof impression. see under impression.

   proof load engin., the greatest load than can be applied
      to a piece, as a beam, column, etc., without straining the
      piece beyond the elastic limit.

   proof sheet. see proof, n., 5.

   proof spirit chem., a strong distilled liquor, or mixture
      of alcohol and water, containing not less than a standard
      amount of alcohol. in the united states "proof spirit is
      defined by law to be that mixture of alcohol and water
      which contains one half of its volume of alcohol, the
      alcohol when at a temperature of 60deg fahrenheit being
      of specific gravity 0.7939 referred to water at its
      maximum density as unity. proof spirit has at 60deg
      fahrenheit a specific gravity of 0.93353, 100 parts by
      volume of the same consisting of 50 parts of absolute
      alcohol and 53.71 parts of water," the apparent excess of
      water being due to contraction of the liquids on mixture.
      in england proof spirit is defined by act 58, george iii.,
      to be such as shall at a temperature of 51deg fahrenheit
      weigh exactly the 12/13 part of an equal measure of
      distilled water. this contains 49.3 per cent by weight, or
      57.09 by volume, of alcohol. stronger spirits, as those of
      about 60, 70, and 80 per cent of alcohol, are sometimes
      called second, third, and fourth proof spirits
      respectively.

   proof staff, a straight-edge used by millers to test the
      flatness of a stone.

   proof stick sugar manuf., a rod in the side of a vacuum
      pan, for testing the consistency of the sirup.

   proof text, a passage of scripture used to prove a
      doctrine.
      1913 webster
see also:
proof charge proof impression impression proof load proof sheet proof 
proof spirit proof staff proof stick proof text 

[2] : The Collaborative International Dictionary of English v.0.48

spirit \spir"it\, n. of. espirit, esperit, f. esprit, l.
   spiritus, from spirare to breathe, to blow. cf. conspire,
   expire, esprit, sprite.
   1. air set in motion by breathing; breath; hence, sometimes,
      life itself. obs. "all of spirit would deprive."
      --spenser.
      1913 webster

            the mild air, with season moderate,
            gently attempered, and disposed eo well,
            that still it breathed foorth sweet spirit.
                                                  --spenser.
      1913 webster

   2. a rough breathing; an aspirate, as the letter h; also, a
      mark to denote aspiration; a breathing. obs.
      1913 webster

            be it a letter or spirit, we have great use for it.
                                                  --b. jonson.
      1913 webster

   3. life, or living substance, considered independently of
      corporeal existence; an intelligence conceived of apart
      from any physical organization or embodiment; vital
      essence, force, or energy, as distinct from matter.
      1913 webster

   4. the intelligent, immaterial and immortal part of man; the
      soul, in distinction from the body in which it resides;
      the agent or subject of vital and spiritual functions,
      whether spiritual or material.
      1913 webster

            there is a spirit in man; and the inspiration of the
            almighty giveth them understanding.   --job xxxii.
                                                  8.
      1913 webster

            as the body without the spirit is dead, so faith
            without works is dead also.           --james ii.
                                                  26.
      1913 webster

            spirit is a substance wherein thinking, knowing,
            doubting, and a power of moving, do subsist.
                                                  --locke.
      1913 webster

   5. specifically, a disembodied soul; the human soul after it
      has left the body.
      1913 webster

            then shall the dust return to the earth as it was,
            and the spirit shall return unto god who gave it.
                                                  --eccl. xii.
                                                  7.
      1913 webster

            ye gentle spirits far away,
            with whom we shared the cup of grace. --keble.
      1913 webster

   6. any supernatural being, good or bad; an apparition; a
      specter; a ghost; also, sometimes, a sprite,; a fairy; an
      elf.
      1913 webster

            whilst young, preserve his tender mind from all
            impressions of spirits and goblins in the dark.
                                                  --locke.
      1913 webster

   7. energy, vivacity, ardor, enthusiasm, courage, etc.
      1913 webster

            "write it then, quickly," replied bede; and
            summoning all his spirits together, like the last
            blaze of a candle going out, he indited it, and
            expired.                              --fuller.
      1913 webster

   8. one who is vivacious or lively; one who evinces great
      activity or peculiar characteristics of mind or temper;
      as, a ruling spirit; a schismatic spirit.
      1913 webster

            such spirits as he desired to please, such would i
            choose for my judges.                 --dryden.
      1913 webster

   9. temper or disposition of mind; mental condition or
      disposition; intellectual or moral state; -- often in the
      plural; as, to be cheerful, or in good spirits; to be
      downhearted, or in bad spirits.
      1913 webster

            god has . . . made a spirit of building succeed a
            spirit of pulling down.               --south.
      1913 webster

            a perfect judge will read each work of wit
            with the same spirit that its author writ. --pope.
      1913 webster

   10. intent; real meaning; -- opposed to the letter, or to
       formal statement; also, characteristic quality,
       especially such as is derived from the individual genius
       or the personal character; as, the spirit of an
       enterprise, of a document, or the like.
       1913 webster

   11. tenuous, volatile, airy, or vapory substance, possessed
       of active qualities.
       1913 webster

             all bodies have spirits . . . within them. --bacon.
       1913 webster

   12. any liquid produced by distillation; especially, alcohol,
       the spirits, or spirit, of wine it having been first
       distilled from wine: -- often in the plural.
       1913 webster

   13. pl. rum, whisky, brandy, gin, and other distilled liquors
       having much alcohol, in distinction from wine and malt
       liquors.
       1913 webster

   14. med. a solution in alcohol of a volatile principle. cf.
       tincture. --u. s. disp.
       1913 webster

   15. alchemy any one of the four substances, sulphur, sal
       ammoniac, quicksilver, or arsenic or, according to some,
       orpiment.
       1913 webster

             the four spirits and the bodies seven. --chaucer.
       1913 webster

   16. dyeing stannic chloride. see under stannic.
       1913 webster

   note: spirit is sometimes joined with other words, forming
         compounds, generally of obvious signification; as,
         spirit-moving, spirit-searching, spirit-stirring, etc.
         1913 webster

   astral spirits, familiar spirits, etc. see under
      astral, familiar, etc.

   animal spirits.
       a physiol. the fluid which at one time was supposed
           to circulate through the nerves and was regarded as
           the agent of sensation and motion; -- called also the
           nervous fluid, or nervous principle.
       b physical health and energy; frolicsomeness;
           sportiveness.

   ardent spirits, strong alcoholic liquors, as brandy, rum,
      whisky, etc., obtained by distillation.

   holy spirit, or the spirit theol., the spirit of god,
      or the third person of the trinity; the holy ghost. the
      spirit also signifies the human spirit as influenced or
      animated by the divine spirit.

   proof spirit. chem. see under proof.

   rectified spirit chem., spirit rendered purer or more
      concentrated by redistillation, so as to increase the
      percentage of absolute alcohol.

   spirit butterfly zool., any one of numerous species of
      delicate butterflies of tropical america belonging to the
      genus ithomia. the wings are gauzy and nearly destitute
      of scales.

   spirit duck. zool.
       a the buffle-headed duck.
       b the golden-eye.

   spirit lamp art, a lamp in which alcohol or methylated
      spirit is burned.

   spirit level. see under level.

   spirit of hartshorn. old chem. see under hartshorn.

   spirit of mindererus med., an aqueous solution of acetate
      of ammonium; -- named after r. minderer, physician of
      augsburg.

   spirit of nitrous ether med. chem., a pale yellow liquid,
      of a sweetish taste and a pleasant ethereal odor. it is
      obtained by the distillation of alcohol with nitric and
      sulphuric acids, and consists essentially of ethyl nitrite
      with a little acetic aldehyde. it is used as a
      diaphoretic, diuretic, antispasmodic, etc. called also
      sweet spirit of niter.

   spirit of salt chem., hydrochloric acid; -- so called
      because obtained from salt and sulphuric acid. obs.

   spirit of sense, the utmost refinement of sensation. obs.
      --shak.

   spirits of turpentine, or spirit of turpentine chem.,
      rectified oil of turpentine, a transparent, colorless,
      volatile, and very inflammable liquid, distilled from the
      turpentine of the various species of pine; camphine. it is
      commonly used to remove paint from surfaces, or to dissole
      oil-based paint. see camphine.

   spirit of vitriol chem., sulphuric acid; -- so called
      because formerly obtained by the distillation of green
      vitriol. obs.

   spirit of vitriolic ether chem. ethyl ether; -- often but
      incorrectly called sulphuric ether. see ether. obs.
      

   spirits of wine, or spirit of wine chem., alcohol; --
      so called because formerly obtained by the distillation of
      wine.

   spirit rapper, one who practices spirit rapping; a "medium"
      so called.

   spirit rapping, an alleged form of communication with the
      spirits of the dead by raps. see spiritualism, 3.

   sweet spirit of niter. see spirit of nitrous ether,
      above.
      1913 webster

   syn: life; ardor; energy; fire; courage; animatioon;
        cheerfulness; vivacity; enterprise.
        1913 webster
see also:
conspire expire esprit sprite tincture stannic 
astral spirits familiar spirits astral familiar animal spirits 
nervous fluid nervous principle ardent spirits holy spirit the spirit 
proof spirit proof rectified spirit spirit butterfly ithomia 
spirit duck spirit lamp spirit level level spirit of hartshorn 
hartshorn spirit of mindererus spirit of nitrous ether sweet spirit of niter spirit of salt 
spirit of sense spirits of turpentine spirit of turpentine camphine spirit of vitriol 
spirit of vitriolic ether sulphuric ether ether spirits of wine spirit of wine 
spirit rapper spirit rapping spiritualism sweet spirit of niter 

[3] : WordNet (r) 2.0

proof spirit
     n : a mixture containing half alcohol by volume at 60 degrees
         fahrenheit

Proof >> P Words
Proof, definition of term: Proof
proof_pag1.html

Galley Proof >> G Words
Galley Proof, definition of term: Galley Proof
galley+proof_pag1.html

Holy Spirit >> H Words
Holy Spirit, definition of term: Holy Spirit
holy+spirit_pag1.html

Free Spirit >> F Words
Free Spirit, definition of term: Free Spirit
free+spirit_pag1.html

Familiar Spirit >> F Words
Familiar Spirit, definition of term: Familiar Spirit
familiar+spirit_pag1.html

Artists Proof >> A Words
Artists Proof, definition of term: Artists Proof
artists+proof_pag1.html

Bead Proof >> B Words
Bead Proof, definition of term: Bead Proof
bead+proof_pag1.html

Burden Of Proof >> B Words
Burden Of Proof, definition of term: Burden Of Proof
burden+of+proof_pag1.html