What does "sirloin" mean?

A cut of beef from the lower part of the back, where the last ribs are (called rump in UK English).

What is a synonym for "sirloin"?

Common synonyms include: beef cut, beef labeling, beef loin, beef portion, blade roast, breast.

/ˈsɝlɔɪn/ noun

noun ·Uncommon ·Advanced level

Noun

1
A cut of beef from the lower part of the back, where the last ribs are (called rump in UK English). US, countable, uncountable
2
the portion of the loin (especially of beef) just in front of the rump wordnet
3
A cut of beef from the middle of the back (corresponding to short loin and partly rib in US English). UK, countable, uncountable

"I dreamt I had a really good vegan sirloin."

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