| the part of the trunk between the neck and the abdomen, enclosed by the ribs, sternum, and vertebrae, which contains the heart and lungs; the chest |
| the middle portion of the ear, consisting of the tympanic membrane and an air-filled chamber lined with mucous membrane, that contains the malleus, incus, and stapes. |
cuneiform (ky&oomacr;'nē-ə-fôrm', ky&oomacr;-nē'-)
adj.
Wedge-shaped.
Of, relating to, or being a wedge-shaped bone or cartilage.