/ Dictionary / Index P porterhouse: Meaning and Definition of Find definitions for: por•ter•house Pronunciation: (pôr'tur-hous", pōr'-), [key] — pl. -hous•es Also calleda choice cut of beef from between the prime ribs and the sirloin. a house at which porter and other liquors are retailed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: porterhouse (Thesaurus) porteress Porterville Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language