1. the part of the body between the neck and the abdomen, containing the heart and lungs; the chest
Usage: anatomy
2. the middle section of an insect’s body, between the head and abdomen, bearing the legs and wings
Usage: entomology

Examples

• The doctor listened to her thorax with a stethoscope.
• He felt pain in his thorax after the accident.
• The X-ray showed fluid in the thorax.
• The bee’s thorax connects its head to its abdomen.
• Each segment of the insect’s thorax bears a pair of legs.
• The butterfly’s colorful wings are attached to its thorax.