costa: Meaning and Definition of
cos•ta
Pronunciation: (kos'tu, kô'stu), [key]
— pl. cos•tae
- a rib or riblike part.
- the midrib of a leaf in mosses.
- a ridge.
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- Also calledcos&prim;tal vein&prim;.a vein, usually marginal, in the anterior portion of the wing of certain insects.
- Also calledcos&prim;tal mar&prim;gin.the anterior edge or border of the wing of certain insects.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.