ポーターハウスステーキMeanings1nounporterhouse steakfood / cookingA thick cut of beef from the rear end of the short loin, similar to a T-bone steak but with a larger tenderloin section.今こん夜やはポーターハウスステーキを焼やくつもりだ。I'm going to grill a porterhouse steak tonight.