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

hair \hair\ h^ar, n. oe. her, heer, haer, as. h=aer;
   akin to ofries. h=er, d.  g. haar, ohg.  icel. h=ar,
   dan. haar, sw. har; cf. lith. kasa.
   1. the collection or mass of filaments growing from the skin
      of an animal, and forming a covering for a part of the
      head or for any part or the whole of the body.
      1913 webster

   2. one the above-mentioned filaments, consisting, in
      vertebrate animals, of a long, tubular part which is free
      and flexible, and a bulbous root imbedded in the skin.
      1913 webster

            then read he me how sampson lost his hairs.
                                                  --chaucer.
      1913 webster

            and draweth new delights with hoary hairs.
                                                  --spenser.
      1913 webster

   3. hair human or animal used for various purposes; as, hair
      for stuffing cushions.
      1913 webster

   4. zool. a slender outgrowth from the chitinous cuticle of
      insects, spiders, crustaceans, and other invertebrates.
      such hairs are totally unlike those of vertebrates in
      structure, composition, and mode of growth.
      1913 webster

   5. bot. an outgrowth of the epidermis, consisting of one or
      of several cells, whether pointed, hooked, knobbed, or
      stellated. internal hairs occur in the flower stalk of the
      yellow frog lily nuphar.
      1913 webster

   6. a spring device used in a hair-trigger firearm.
      1913 webster

   7. a haircloth. obs. --chaucer.
      1913 webster

   8. any very small distance, or degree; a hairbreadth.
      1913 webster

   note: hairs is often used adjectively or in combination; as,
         hairbrush or hair brush, hair dye, hair oil, hairpin,
         hair powder, a brush, a dye, etc., for the hair.
         1913 webster

   against the hair, in a rough and disagreeable manner;
      against the grain. obs. "you go against the hair of your
      professions." --shak.

   hair bracket ship carp., a molding which comes in at the
      back of, or runs aft from, the figurehead.

   hair cells anat., cells with hairlike processes in the
      sensory epithelium of certain parts of the internal ear.
      

   hair compass, hair divider, a compass or divider capable
      of delicate adjustment by means of a screw.

   hair glove, a glove of horsehair for rubbing the skin.

   hair lace, a netted fillet for tying up the hair of the
      head. --swift.

   hair line, a line made of hair; a very slender line.

   hair moth zool., any moth which destroys goods made of
      hair, esp. tinea biselliella.

   hair pencil, a brush or pencil made of fine hair, for
      painting; -- generally called by the name of the hair
      used; as, a camel's hair pencil, a sable's hair pencil,
      etc.

   hair plate, an iron plate forming the back of the hearth of
      a bloomery fire.

   hair powder, a white perfumed powder, as of flour or
      starch, formerly much used for sprinkling on the hair of
      the head, or on wigs.

   hair seal zool., any one of several species of eared
      seals which do not produce fur; a sea lion.

   hair seating, haircloth for seats of chairs, etc.

   hair shirt, a shirt, or a band for the loins, made of
      horsehair, and worn as a penance.

   hair sieve, a strainer with a haircloth bottom.

   hair snake. see gordius.

   hair space printing, the thinnest metal space used in
      lines of type.

   hair stroke, a delicate stroke in writing.

   hair trigger, a trigger so constructed as to discharge a
      firearm by a very slight pressure, as by the touch of a
      hair. --farrow.

   not worth a hair, of no value.

   to a hair, with the nicest distinction.

   to split hairs, to make distinctions of useless nicety.
      1913 webster hairball
see also:
nuphar against the hair hair bracket hair cells hair compass hair divider 
hair glove hair lace hair line hair moth tinea biselliella 
hair pencil hair plate hair powder hair seal hair seating 
hair shirt hair sieve hair snake gordius hair space 
hair stroke hair trigger not worth a hair to a hair to split hairs 

Compass >> C Words
Compass, definition of term: Compass
compass_pag1.html

Hair >> H Words
Hair, definition of term: Hair
hair_pag1.html

Compass Point >> C Words
Compass Point, definition of term: Compass Point
compass+point_pag1.html

Camels Hair >> C Words
Camels Hair, definition of term: Camels Hair
camels+hair_pag1.html

Guard Hair >> G Words
Guard Hair, definition of term: Guard Hair
guard+hair_pag1.html