Pronunciation: (fet'lok"), [key]
1. the projection of the leg of a horse behind the joint between the cannon bone and great pastern bone, bearing a tuft of hair. See diag. under horse.
2. the tuft of hair itself.
3. Also called fet'lock joint". the joint at this point.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.