'Porterhouse steak' definitions:

Definition of 'porterhouse steak'

From: WordNet
noun
Large steak from the thick end of the short loin containing a T-shaped bone and large piece of tenderloin [syn: porterhouse, porterhouse steak]

Definition of 'Porterhouse steak'

From: GCIDE
  • Porterhouse \Por"ter*house\, n. A house where porter is sold. [1913 Webster]
  • Porterhouse steak, a steak cut from a sirloin of beet, including the upper and under part. [1913 Webster]