Noun
1. a flat device with narrow pointed teeth on one edge; disentangles or arranges hair
2. the fleshy red crest on the head of the domestic fowl and other gallinaceous birds
3. a fleshy and deeply serrated outgrowth atop the heads of certain birds especially domestic fowl
4. any of several tools for straightening fibers
5. ciliated comb-like swimming plate of a ctenophore
6. the act of drawing a comb through hair;
"his hair needed a comb"