fetlock

plural fetlocks · alternative fetterlock · alternative fewterlock

1. A joint of the horse's leg below the knee or hock and above the hoof.

   It was the better part of a mile wide, but save for some fathoms in the middle, where the Sker current ran, it was no deeper even at flood than a horse's fetlocks.

   1902, John Buchan, The Outgoing of the Tide

   Synonyms: ankle

2. The tuft of hair that grows at this joint.