breast/brɛst; brest/n 1 [C] one of the two round parts on a woman's chest that produce milk when she has a baby〔女人的〕乳房2 [C,U] the front of a bird's body, or the meat from this〔禽类的〕胸脯(肉): turkey breast 火鸡胸脯肉see picture on page 见 A2 页图3 [C] literary the top of your body at the front【文】胸脯﹐胸部DOUBLE-BREASTED