Definition of Hair

1. Noun. 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. "Each hair consists of layers of dead keratinized cells"




2. Noun. A very small distance or space. "They lost the election by a whisker"

3. Noun. Filamentous hairlike growth on a plant. "Peach fuzz"
Exact synonyms: Fuzz, Tomentum
Generic synonyms: Enation, Plant Process
Specialized synonyms: Stinging Hair, Beard

4. Noun. Any of the cylindrical filaments characteristically growing from the epidermis of a mammal. "There is a hair in my soup"
Exact synonyms: Pilus
Group relationships: Mammal, Mammalian
Generic synonyms: Filament, Filum
Specialized synonyms: Ingrown Hair
Derivative terms: Pilar

5. Noun. Cloth woven from horsehair or camelhair; used for upholstery or stiffening in garments.
Exact synonyms: Haircloth
Generic synonyms: Cloth, Fabric, Material, Textile

6. Noun. A filamentous projection or process on an organism.
Specialized synonyms: Bristle, Sensory Hair, Vibrissa, Whisker, Seta, Pilus
Generic synonyms: Appendage, Outgrowth, Process
Derivative terms: Hairy

Definition of Hair

1. 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.

Definition of Hair

1. Noun. A pigmented keratinaceous growth that forms thin spires and grows out from a follicle on the human head. ¹

2. Noun. The collection or mass of such growths growing from the skin of humans and animals, and forming a covering for a part of the head or for any part or the whole body. ¹

3. Noun. (context: zoology countable) 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. ¹

4. Noun. (botany countable) A cellular 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). ¹

5. Noun. (obsolete) Haircloth; a hair shirt. ¹

6. Noun. Any very small distance, or degree; a hairbreadth. ¹

¹ Source: wiktionary.com

Definition of Hair

1. a threadlike growth [n -S]

Medical Definition of Hair

1. 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 whole 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 hairs." (Spenser) 3. Hair (human or animal) used for various purposes; as, hair for stuffing cushions. 4. 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. 5. 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). 6. A spring device used in a hair-trigger firearm. 7. A haircloth. 8. Any very small distance, or degree; a hairbreadth. Hairs is often used adjectively or in combination; as, hairbrush or hair brush, hair dye, hair oil, hairpin, hair powder, a brush, a dye, etc, for the hair. Against the hair, in a rough and disagreeable manner; against the grain. "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 make 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 Dictionary (01 Mar 1998)

Hair Pictures

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Lexicographical Neighbors of Hair

hainches
hainching
haineaultite
hained
haining
hainings
hainite
hainous
hains
haint
hainted
hainting
haints
haique
haiques
hair (current term)
hair's-breadth
hair-brown
hair-brush
hair-curling
hair-dryer
hair-dryers
hair-gel
hair-raiser
hair-raising
hair-salt
hair-shirt
hair-shirted
hair-splitting
hair-splittingly

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