1. The collection or mass
of filaments growing from the skin
of an animal, and forming a covering
for a part
of the head
or for any part
or the intact
of the body.
2. One the above-mentioned filaments, consisting, in invertebrate
animals, of a long, tubular part
which is free
and flexible, and a bulbous root
imbedded in the skin. "Then read
he me how Sampson lost his
hairs." (Chaucer) "And draweth new
delights with hoary
3. Hair (human or animal) used for different purposes; as, hair
for stuffing cushions.
4. A slender outgrowth from the chitinous cuticle of insects, spiders, crustaceans, and another invertebrates. Such hairs are totally unlike those of vertebrates in structure, composition, and mode of growth.
5. An outgrowth of the epidermis, consisting of one or of different cells, whether pointed, hooked, knobbed, or stellated. Inside hairs occur in the flower stalk of the yellow frog lily (Nuphar).
6. A spring device used in a hair-trigger firearm.
7. A haircloth.
8. Any very little distance, or degree; a hairbreadth.
Hairs is often used adjectively or in combination; as, hairbrush or hair brush, hair paint, hair oil, hairpin, hair powder, a brush, a paint, etc, for the hair. Against the hair, in a rough and disagreeable manner; against the corn. "You go against the hair of your professions." .
Hair bracket, the thinnest metal space used in lines of type. Hair stroke, a delicate stroke in writing. Hair trigger, a trigger so constructed as to discharge a firearm by a very slight pressure, as by the touch of a hair. Not worth a hair, of no value. To a hair, with the nicest distinction. To split hairs, to create distinctions of useless nicety.
Origin: OE. Her, heer, haer, AS. Haer; akin to OFries, her, D. & G. Haar, OHG. & Icel. Har, Dan. Haar, Sw. Har; cf. Lith. Kasa.
Source: Websters Vocabulary