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rib, costa | [in vertebrate] 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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Costa Rica, Republic of Costa Rica, Costa | a republic in Central America; one of the most politically stable countries in Latin America | |
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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) |