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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Online Etymology Dictionary, © 2010 Douglas Harper