Meanings
-
1
noun
the joint of a horse's leg between the cannon bone and the pastern, above the hoof
The rope tightened around the horse's leg just below the fetlock.
-
2
noun
the projection or tuft of hair at the back of this joint
Long hair covered the draft horse's fetlock.
Thesaurus
Etymology
From Middle English fitlok or fetlak, related to Old English fot, 'foot.' The second element was later associated with lock, 'tuft of hair,' which suited the hair growing behind the joint, though that analysis is historically uncertain.