biftek

1. (of meat) beef tenderloin
   Kilogram bifteka je veoma skup. — A kilo of beef tenderloin is very expensive.
2. (of a dish) beef tenderloin steak; beefsteak
   Naručio sam biftek sa pečurkama. — I ordered a steak with mushrooms.
   Kako želite biftek, srednje pečen? — How would you like your steak, medium?

In Serbia biftek mainly means the tenderloin cut, not a minced-meat patty.