From WordNet (r) 3.0 (2006):
hair
n 1: a covering for the body (or parts of it) consisting of a
dense growth of threadlike structures (as on the human
head); helps to prevent heat loss; "he combed his hair";
"each hair consists of layers of dead keratinized cells"
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, hair, whisker]
3: filamentous hairlike growth on a plant; "peach fuzz" [syn:
hair, fuzz, tomentum]
4: any of the cylindrical filaments characteristically growing
from the epidermis of a mammal; "there is a hair in my soup"
[syn: hair, pilus]
5: cloth woven from horsehair or camelhair; used for upholstery
or stiffening in garments [syn: haircloth, hair]
6: a filamentous projection or process on an organism