porterhouse

[ pawr-ter-hous, pohr- ]
/ ˈpɔr tərˌhaʊs, ˈpoʊr- /

noun, plural por·ter·hous·es [pawr-ter-hou-siz, pohr- for 1; pawr-ter-hou-ziz, pohr- for 2] /ˈpɔr tərˌhaʊ sɪz, ˈpoʊr- for 1; ˈpɔr tərˌhaʊ zɪz, ˈpoʊr- for 2/.

Also called porterhouse steak. a choice cut of beef from between the prime ribs and the sirloin.
Archaic. a house at which porter and other liquors are retailed.

Origin of porterhouse

First recorded in 1750–60; porter3 + house

British Dictionary definitions for porter-house steak

porterhouse
/ (ˈpɔːtəˌhaʊs) /

noun

Also called: porterhouse steak a thick choice steak of beef cut from the middle ribs or sirloin
(formerly) a place in which porter, beer, etc, and sometimes chops and steaks, were served

Word Origin for porterhouse

C19 (sense 1): said to be named after a porterhouse or chophouse in New York