FETLOCK
fetlock
(noun) projection behind and above a horse’s hoof
fetlock, fetlock joint
(noun) the joint between the cannon bone and the pastern
Source: WordNet® 3.1
Etymology
Noun
fetlock (plural fetlocks)
A joint of the horse's leg below the knee or hock and above the hoof.
Synonym: ankle
The tuft of hair that grows at this joint.
Source: Wiktionary
Fet"lock, n. Etym: [OE. fetlak, fitlock, cf. Icel. fet pace, step,
fit webbed foot of water birds, akin to E. foot. sq. root 77. See
Foot.]
Definition: The cushionlike projection, bearing a tuft of long hair, on the
back side of the leg above the hoof of the horse and similar animals.
Also, the joint of the limb at this point (between the great pastern
bone and the metacarpus), or the tuft of hair.
Their wounded steeds Fret fetlock deep in gore. Shak.
Source: Webster’s Unabridged Dictionary 1913 Edition