[kos-tl, kaws-tl] /ˈkɒs tl, ˈkɔs tl/
Anatomy. pertaining to the ribs or the upper sides of the body:
Botany, Zoology. pertaining to, involving, or situated near a .
“pertaining to the ribs,” 1630s, from French costal (16c.), from Medieval Latin costalis, from costa “a rib” (see coast (n.)).
- Costal angle
costal angle n. See angle of rib.
- Costal arch
costal arch n. The portion of the lower opening of the chest formed by the cartilages of the seventh to tenth ribs.
- Costal cartilage
costal cartilage n. The cartilage forming the anterior continuation of a rib.
costalgia cos·tal·gi·a (kŏ-stāl’jē-ə, -jə) n. Pain in the ribs.