noun.a slender threadlike outgrowth of the epidermis of an animal; especially: one of the usually pigmented filaments that form the characteristic coat of a mammal
won by a hair
aligned to a hair
noun.the hairy covering of an animal or a body part; especially: the coating of hairs on a human head
leaf hair
noun.haircloth
Origin
Middle English, from Old English hǣr; akin to Old High German hār hair.