Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun costa

2 senses of costa

Sense 1
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))
       => structure, anatomical structure, complex body part, bodily structure, body structure -- (a particular complex anatomical part of a living thing; "he has good bone structure")

Sense 2
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))
       => bone, os -- (rigid connective tissue that makes up the skeleton of vertebrates)

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