Meaning of costal

cos•tal

Pronunciation: (kos'tl, kôs'tl), [key]
— adj.
  1. pertaining to the ribs or the upper sides of the body: costal nerves.
  2. pertaining to, involving, or situated near a costa.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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