Main Entry: pas·tern

Pronunciation: \ˈpas-tərn\

Function: noun

Etymology: Middle French pasturon, from pasture pastern, from Old French empasturer to hobble (a horse), from pasture tether, modification of Late Latin (chorda) pastoria, from Latin, feminine of pastorius of a herdsman, from pastor herdsman — more at pastor

Date: circa 1530

1 : a part of the foot of an equine extending from the fetlock to the top of the hoof — see horse illustration
2 : a part of the leg of an animal other than an equine that corresponds to the pastern