Dictionary | 2 Results
#1 costa n. a riblike part of a plant or animal (such as a middle rib of a leaf or a thickened vein of an insect wing). wn
#2 costa n. [rib] 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). wn
#2 costa n. [rib] 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). wn
