pound cake noun3 •(US) A dense yellow cake, the traditional recipe for which consists of equal quantities (nominally one pound) of butter, eggs, flour, and sugar.Satisfied her aunt had things under control, Addy put on the coffee and sliced and arranged the pound cake on a cookie sheet. — 2011 •(slang) A term of attraction or desire.She's a cute little pound cake. •(slang) A butt cheek. formspound cakes