sirloin
 loins[ plural ]literary or humorous
the part of the body that is above the legs and below the waist, especially the sexual organs: 阴部，下身（尤指性器官）
the fruit of your loins (= your child/children)你的孩子

SMART Vocabulary: related words and phrases

Cuts of meat
baby back ribs
baron of beef
bavette
boneless
bottom round
filet
fillet
fillet steak
flank steak
flanken
rasher
rib roast
rib-eye steak
riblet
round steak
T-bone steak
tenderloin
tomahawk
top round
tournedos

loin | American Dictionary

loin
noun[ C ]
us/lɔɪn/
a piece of meat from the back of an animal near the tail or from the top part of the back legs:
roast loin of venison