ribcage

noun Anatomy.

1. the enclosure formed by the ribs and their connecting bones.

noun

1. the bony structure consisting of the ribs and their connective tissue that encloses and protects the lungs, heart, etc

n.

1. The enclosing structure formed by the ribs and the bones to which they are attached.

1. The bony structure in the chest formed by the ribs and sternum (breastbone) that encloses and protects the heart and lungs.