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

butt \butt\, but \but\, n. f. but butt, aim cf. butte knoll,
   or bout, of. bot, end, extremity, fr. boter, buter, to push,
   butt, strike, f. bouter; of german origin; cf. ohg. b=ozan,
   akin to e. beat. see beat, v. t.
   1. a limit; a bound; a goal; the extreme bound; the end.
      1913 webster

            here is my journey's end, here my butt
            and very sea mark of my utmost sail.  --shak.
      1913 webster

   note: as applied to land, the word is nearly synonymous with
         mete, and signifies properly the end line or boundary;
         the abuttal.
         1913 webster

   2. the larger or thicker end of anything; the blunt end, in
      distinction from the sharp end; as, the butt of a rifle.
      formerly also spelled but. see 2nd but, n. sense 2.
      1913 webster +pjc

   3. a mark to be shot at; a target. --sir w. scott.
      1913 webster

            the groom his fellow groom at butts defies,
            and bends his bow, and levels with his eyes.
                                                  --dryden.
      1913 webster

   4. a person at whom ridicule, jest, or contempt is directed;
      as, the butt of the company.
      1913 webster

            i played a sentence or two at my butt, which i
            thought very smart.                   --addison.
      1913 webster

   5. a push, thrust, or sudden blow, given by the head of an
      animal; as, the butt of a ram.
      1913 webster

   6. a thrust in fencing.
      1913 webster

            to prove who gave the fairer butt,
            john shows the chalk on robert's coat. --prior.
      1913 webster

   7. a piece of land left unplowed at the end of a field.
      1913 webster

            the hay was growing upon headlands and butts in
            cornfields.                           --burrill.
      1913 webster

   8. mech.
      a a joint where the ends of two objects come squarely
          together without scarfing or chamfering; -- also
          called butt joint.
      b the end of a connecting rod or other like piece, to
          which the boxing is attached by the strap, cotter, and
          gib.
      c the portion of a half-coupling fastened to the end of
          a hose.
          1913 webster

   9. shipbuilding the joint where two planks in a strake
      meet.
      1913 webster

   10. carp. a kind of hinge used in hanging doors, etc.; --
       so named because fastened on the edge of the door, which
       butts against the casing, instead of on its face, like
       the strap hinge; also called butt hinge.
       1913 webster

   11. leather trade the thickest and stoutest part of tanned
       oxhides, used for soles of boots, harness, trunks.
       1913 webster

   12. the hut or shelter of the person who attends to the
       targets in rifle practice.
       1913 webster

   13. the buttocks; as, get up off your butt and get to work;
       -- used as a euphemism, less objectionable than ass.
       slang

   syn: ass, rear end, derriere, behind, rump, heinie.
        pjc

   butt chain saddlery, a short chain attached to the end of
      a tug.

   butt end. the thicker end of anything. see but end, under
      2d but.
      1913 webster

            amen; and make me die a good old man
            that's the butt end of a mother's blessing. --shak.
      1913 webster

   a butt's length, the ordinary distance from the place of
      shooting to the butt, or mark.

   butts and bounds conveyancing, abuttals and boundaries.
      in lands of the ordinary rectangular shape, butts are the
      lines at the ends f. bouts, and bounds are those on the
      sides, or sidings, as they were formerly termed.
      --burrill.

   bead and butt. see under bead.

   butt and butt, joining end to end without overlapping, as
      planks.

   butt weld mech., a butt joint, made by welding together
      the flat ends, or edges, of a piece of iron or steel, or
      of separate pieces, without having them overlap. see
      weld.

   full butt, headfirst with full force. colloq. "the
      corporal . . . ran full butt at the lieutenant."
      --marryat.
      1913 webster
see also:
beat but butt joint butt hinge ass butt chain 
butt end but end but a butt's length butts and bounds 
bead and butt bead butt and butt butt weld weld 
full butt 

Butt >> B Words
Butt, definition of term: Butt
butt_pag1.html

Butt In >> B Words
Butt In, definition of term: Butt In
butt+in_pag1.html