por·ter·house /ˈportɚ/
  小酒館;餐館
  Por·ter·house, n. A house where porter is sold.
  Porterhouse steak, a steak cut from a sirloin of beet, including the upper and under part.
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  porterhouse
       n : large steak from the thick end of the short loin containing
           a T-shaped bone and large piece of tenderloin [syn: porterhouse
           steak]