Definition: 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)
Definition: rigid connective tissue that makes up the skeleton of vertebrates
Synonyms: costa
Definition: a riblike part of a plant or animal (such as a middle rib of a leaf or a thickened vein of an insect wing)
Similar words: anatomical structure, bodily structure, body structure, complex body part, structure
Definition: a particular complex anatomical part of a living thing
Usage: he has good bone structure