chest wall n.
The system of structures outside the lungs that move as a part of breathing, including the rib cage, diaphragm, and abdomen. Also called thoracic wall.
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| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |