(n.) 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 whole of the body.
(n.) 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.
(n.) Hair (human or animal) used for various purposes; as, hair
for stuffing cushions.
(n.) A slender outgrowth from the chitinous cuticle of insects,
spiders, crustaceans, and other invertebrates. Such hairs are totally
unlike those of vertebrates in structure, composition, and mode of
growth.
(n.) An outgrowth of the epidermis, consisting of one or of
several cells, whether pointed, hooked, knobbed, or stellated. Internal
hairs occur in the flower stalk of the yellow frog lily (Nuphar).
(n.) A spring device used in a hair-trigger firearm.
(n.) A haircloth.
(n.) Any very small distance, or degree; a hairbreadth.
