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Definitions of costa
  1. 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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    rib
    type of:
    part of:
  2. 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)
Parts of costa
  • "costal cartilage"
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