Costa

·noun A rib of an animal or a human being.

II. Costa ·noun A rib or vein of a leaf, especially the midrib.

III. Costa ·noun The anterior rib in the wing of an Insect.

IV. Costa ·noun One of the riblike longitudinal ridges on the exterior of many corals.

costa
costa, ae, f., I a rib , Cels. 8, 1; Plin. 11, 37, 82, § 207; Plaut. Ps. 1, 2, 4; Lucr. 5, 1...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
costa
costa ae, f, a rib: per costas eminere, L.: Tergora deripiunt costis, V.: laterum costas verberat, ...

An Elementary Latin Dictionary
guarda-costa
Vessels of war of various sizes which formerly cruised against smugglers on the South American coast...

The Sailor's Word-Book