A Loin
- The part of the body (of humans and quadrupeds) at each side of the backbone, between the ribs and hips
- Any of several cuts of meat taken from this part of an animal, Beef tenderloin - Wikipedia Pork tenderloin - Wikipedia, https://en.wikipedia.org/wiki/Sirloin_steak
Usage notes
The plural loins is used for a wider body region, or specifically as a euphemism for the pubic region.