sirloin steak(n = noun.food) - a cut of beef from the sirloin;
is a kind of beefsteak
is a part of sirloin

chop steak, chopped steak, club steak, delmonico steak, fish steak, flank steak, hamburger steak, minute steak, pepper steak, peppered steak, porterhouse steak, round steak, rump steak, salisbury steak, sirloin, sirloin tip, steak, steak and kidney pie, steak au poivre, steak knife, steak sauce, steak tartare, strip steak, swiss steak, t-bone steak, tartar steak