Pronunciation: (kos'tu, kô'stu), [key]
pl. cos•taePronunciation: (kos'tē, kô'stē). [key]

1. a rib or riblike part.
2. the midrib of a leaf in mosses.
3. a ridge.
4. Entomol.
a. Also called cos'tal vein'. a vein, usually marginal, in the anterior portion of the wing of certain insects.
b. Also called cos'tal mar'gin. the anterior edge or border of the wing of certain insects.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

costCosta Brava
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