Sirloin

Origin

Middle English surloine, from Old French surlonge, from sur la longe, “above the loin”.

Dictionary.com

Full definition of sirloin

Noun

1. (US) A cut of beef from the lower part of the back, where the last ribs are (called rump in UK English).
2. (UK) A cut of beef from the middle of the back (corresponding to short loin and partly rib in US English).