(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)
(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)
Definitions for Family
(noun) a group of persons who come from the same ancestor
(noun) one of the units into which a whole is divided on the basis of a common characteristic