Definition of "Comb" :

noun: the act of drawing a comb through hair

"His hair needed a comb."

noun: the fleshy red crest on the head of the domestic fowl and other gallinaceous birds

noun: ciliated comb-like swimming plate of a ctenophore

noun: a flat device with narrow pointed teeth on one edge; disentangles or arranges hair

noun: any of several tools for straightening fibers

verb: smoothen and neaten with or as with a comb

"Comb your hair before dinner."

verb: search thoroughly

"They combed the area for the missing child."

verb: straighten with a comb

"Comb your hair."