thorax

/ˈθɔɹæks/

Misollar

Sami used a forceps to pick the ant up from its thorax.
The body of an insect is divided into head, thorax and abdomen.

ot noun

The region of the mammalian body between the neck and abdomen as well as the cavity containing the heart and lungs.
The middle of three distinct divisions in an insect, crustacean or arachnid body to which the legs are attached.

Manbalar: Wiktionary (Free Dictionary API orqali), Datamuse, Tatoeba (CC BY 2.0 FR), MyMemory.