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

but \but\, v. i. imp.  p. p. butted; p. pr.  vb. n.
   butting.
   see butt, v., and abut, v.
   1913 webster
see also:
butted butting butt abut 

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

butt \butt\, v. i. imp.  p. p. butted; p. pr.  vb. n.
   butting. oe. butten, of. boter to push, f. bouter. see
   butt an end, and cf. boutade.
   1. to join at the butt, end, or outward extremity; to
      terminate; to be bounded; to abut. written also but.
      1913 webster

            and barnsdale there doth butt on don's well-watered
            ground.                               --drayton.
      1913 webster

   2. to thrust the head forward; to strike by thrusting the
      head forward, as an ox or a ram. see butt, n.
      1913 webster

            a snow-white steer before thine altar led,
            butts with his threatening brows.     --dryden.
      1913 webster
see also:
butted butting butt boutade but 

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

butting \but"ting\, n.
   an abuttal; a boundary.
   1913 webster

         without buttings or boundings on any side. --bp.
                                                  beveridge.
   1913 webster

Butting >> B Words
Butting, definition of term: Butting
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