1. the cavity in the vertebrate body enclosed by the ribs between the diaphragm and the neck and containing the lungs and heart; [syn: chest cavity, thoracic cavity]
WordNet (r) 3.0 (2006):
thoracic cavity
n 1: the cavity in the vertebrate body enclosed by the ribs
between the diaphragm and the neck and containing the lungs
and heart [syn: chest cavity, thoracic cavity]