noun ·Uncommon ·College level

Definitions

Noun

1. 1
   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"

2. 2
   part of an insect's body that bears the wings and legs wordnet
3. 3
   The middle of three distinct divisions in an insect, crustacean or arachnid body to which the legs are attached.

   "Holonym: body"

4. 4
   the part of the human torso between the neck and the diaphragm or the corresponding part in other vertebrates wordnet
5. 5
   the middle region of the body of an arthropod between the head and the abdomen wordnet

Synonyms

All synonyms

bagboobboobsboobybosombreast

Example

More examples

"The body of an insect is divided into head, thorax and abdomen."

Etymology

From Latin thorax, from Ancient Greek θώραξ (thṓrax, “a breastplate, cuirass, corslet”).

Related phrases

thoracic vertebra

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.