hair (noun)
1: dense growth of hairs covering the body or parts of it (as on the human head); helps prevent heat loss; "he combed his hair"
2: a very small distance or space; "they escaped by a hair's-breadth"; "they lost the election by a whisker" [syn: hair's-breadth, hairsbreadth, whisker]
3: filamentous hairlike growth on a plant; "peach fuzz" [syn: fuzz, tomentum]
4: any of the cylindrical filaments characteristically growing from the epidermis of a mammal; "there is a hair in my soup" [syn: pilus]
5: cloth woven from horsehair or camelhair; used for upholstery or stiffening in garments [syn: haircloth]
6: a filamentous projection or process on an organism