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Webster 1913 Edition

Costa

‖

Cos′ta

(kŏs′tȧ)
,
Noun.
[L., rib. See
Coast
.]
1.
(Anat.)
A rib of an animal or a human being.
2.
(Bot.)
A rib or vein of a leaf, especially the midrib.
3.
(Zool.)
(a)
The anterior rib in the wing of an insect.
(b)
One of the riblike longitudinal ridges on the exterior of many corals.

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