The Collaborative International Dictionary of English v.0.48:

Troching \Tro"ching\, n. [OF. troche cluster, group; cf. F.
   trochure a surantler, troch['e]e branches of a seedling,
   trochet cluster of flowers or fruits.] (Zool.)
   One of the small branches of a stag's antler.
   [1913 Webster]