thorax
noun [ C ] specialized uk/ˈθɔː.ræks/ us/ˈθɔːr.æks/ thoraces uk/ˈθɔː.rə.sɪːz/ usthoraxes
anatomy （人的）胸，胸廓
in humans and animals, the middle part of the body below the neck and above the waist
biology （昆虫的）胸，胸部
in insects, the middle part of the body, between the head and the abdomen (= end part)