brisket, n. [OE. bruskette, OF. bruschet, F. bréchet, brichet; prob. of Celtic origin; cf. W. brysced the breast of a slain animal, brisket, Corn. vrys breast, Armor. brusk, bruched, the front of the chest, Gael. brisgein the cartilaginous part of a bone.].
That part of the breast of an animal which extends from the fore legs back beneath the ribs; also applied to the fore part of a horse, from the shoulders to the bottom of the chest.
"[See Illust. of Beef.]"
[1913 Webster]