Rump steak

Rump steak is a term used in describing cuts of beef. It may refer to:

The British and Commonwealth English "rump steak" is commonly called "sirloin" in American English. On the other hand, British "sirloin" is called short loin or "porterhouse" by Americans.

Rump steak corresponds roughly to the French cut culotte (literally, the 'trousers', the 'pants'), which is used for different recipes:

In the 20th century the English term rump steak was adopted, although with modified orthography romsteak or romsteck. The spelling rumsteak is also attested.

...
Wikipedia