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1. (n.) costa
a rib, riblike structure, or ridge.
2. costa
Also called costal vein. a vein, usu. marginal, in the front part of the wing of certain insects.
3. costa
Also called costal margin. the anterior edge or border of the wing of certain insects.
Etymology: (1865–70; < L: rib, side. cf. coast)
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| Definition of 'Costa' |
Princeton's WordNet |
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1. (noun) costa
a riblike part of a plant or animal (such as a middle rib of a leaf or a thickened vein of an insect wing)
2. (noun) rib, costa
any of the 12 pairs of curved arches of bone extending from the spine to or toward the sternum in humans (and similar bones in most vertebrates)
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| Definition of 'Costa' |
Webster Dictionary |
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1. (noun) Costa
a rib of an animal or a human being
2. (noun) Costa
a rib or vein of a leaf, especially the midrib
3. (noun) Costa
the anterior rib in the wing of an insect
4. (noun) Costa
one of the riblike longitudinal ridges on the exterior of many corals
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