Main Entry: sir·loin

Pronunciation: \ˈsər-ˌlȯin\

Function: noun

Etymology: alteration of earlier surloin, modification of Middle French surlonge, from sur over (from Latin super) + loigne, longe loin — more at over, loin

Date: 1554

: a cut of meat and especially of beef from the part of the hindquarter just in front of the round — see beef illustration