The Collaborative International Dictionary of English v.0.48:

Crotch \Crotch\, v. t. [imp. & p. p. Crotched (kr[o^]cht); p.
   pr. & vb. n. Crotch"ing.]
   1. To provide with a crotch; to give the form of a crotch to;
      as, to crotch the ends of ropes in splicing or tying
      knots.
      [Webster 1913 Suppl.]

   2. (Logging) To notch (a log) on opposite sides to provide a
      grip for the dogs in hauling. [Western, U. S.]
      [Webster 1913 Suppl.]

The Collaborative International Dictionary of English v.0.48:

Crotched \Crotched\ (kr[o^]cht), a.
   1. Having a crotch; forked.
      [1913 Webster]

   2. Cross; peevish. [Prov. Eng.] --Halliwell.
      [1913 Webster]

   3. (Billiards) Lying within a crotch; -- said of the object
      balls in the three-ball carom game whenever the centers of
      both lie within a 41/2-inch square at a corner of the
      table, in which case but three counts are allowed unless
      one or both balls be forced out of the crotch.
      [Webster 1913 Suppl.]