porterhouse noun. ['pɔ:tǝhaʊs] Chiefly N. Amer. M18.
[from PORTER noun² 3 + HOUSE noun¹.]
1. Hist. A place where porter and other malt liquors were sold; a place where steaks, chops, etc., were served, a steak-house. M18.

2. In full porterhouse steak. A large choice steak cut from between the sirloin and the tenderloin. E19.

[TahlilGaran] English Dictionary ▲