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costa
noun
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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noun
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)
noun
a riblike part of a plant or animal (such as a middle rib of a leaf or a thickened vein of an insect wing)
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