Definition of "thorax" in English

noun

1. (anatomy) The region of the mammalian body between the neck and abdomen as well as the cavity containing the heart and lungs.

   • Holonyms: torso, trunk < body
   • Meronym: chest

2. (entomology and arachnology) The middle of three distinct divisions in an insect, crustacean or arachnid body to which the legs are attached.

   • Holonym: body
   • Meronyms: prothorax, mesothorax, metathorax