Pertaining to a rib. / (biology) Pertaining to a costa. / (entomology) Pertaining to the costa or to the wing areas next to it.

In terms of the ribs or costae.

A surname from Spanish.

plural of costal cartilage

(anatomy) One of the bars of hyaline cartilage, found at the anterior ends of the ribs, that serve to prolong the ribs forward and contribute to the elasticity of the walls of the thorax.

pain in the ribs, or the costal muscles

plural of Costales