[hair] n, often attrib [ME, fr. OE haer; akin to OHG har hair] (bef. 12c) 1 a: a slender threadlike outgrowth of the epidermis of an animal; esp: one of the usu. pigmented filaments that form the characteristic coat of a mammal b: the hairy covering of an animal or a body part; esp: the coating of hairs on a human head
2: haircloth 3 a: a minute distance or amount "won by a ~" b: a precise degree "aligned to a ~"
4. obs: nature, character
5: a filamentous structure that resembles hair "leaf ~" -- hair.less adj -- hair.less.ness n -- hair.like adj