hair

Hair is the strands of fiber that grow from a person's skin, especially on the scalp. Most mammals, from dogs to bears to mice, also have hair.

Your hair might be straight or curly, brown or gray or dark red. Even people with no hair on their heads have body hair, short, fine hairs that grow on arms and legs. Cats have coats that vary too, ranging from hairless to long, silky hair. Even some plants can be described as having hair. Colloquially, people "split hairs," or argue about unimportant things, or tell a "hair-raising" tale, or a spooky story that gives you chills.

Definitions 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
    “he combed his hair
    “each hair consists of layers of dead keratinized cells”
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    types:
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    coat, pelage
    growth of hair or wool or fur covering the body of an animal
    guard hair
    coarse hairs that form the outer fur and protect the underfur of certain mammals
    mane
    long coarse hair growing from the crest of the animal's neck
    forelock, foretop
    a lock of a horse's mane that grows forward between the ears
    beard
    hairy growth on or near the face of certain mammals
    body hair
    short hair growing over a person's body
    down, pile
    fine soft dense hair (as the fine short hair of cattle or deer or the wool of sheep or the undercoat of certain dogs)
    head of hair, mane
    growth of hair covering the scalp of a human being
    cowlick
    a tuft of hair that grows in a different direction from the rest of the hair and usually will not lie flat
    coif, coiffure, hair style, hairdo, hairstyle
    the arrangement of the hair (especially a woman's hair)
    curl, lock, ringlet, whorl
    a strand or cluster of hair
    facial hair
    hair on the face (especially on the face of a man)
    brow, eyebrow, supercilium
    the arch of hair above each eye
    cilium, eyelash, lash
    any of the short curved hairs that grow from the edges of the eyelids
    fur
    dense coat of fine silky hairs on mammals (e.g., cat or seal or weasel)
    fleece, wool
    outer coat of especially sheep and yaks
    encolure
    the mane of a horse
    lanugo
    the fine downy hair covering a human fetus; normally shed during the ninth month of gestation
    beehive
    a hairdo resembling a beehive
    bouffant
    a woman's hairstyle in which the hair gives a puffy appearance
    haircut
    the style in which hair has been cut
    sausage curl
    a fat sausage-shaped curl
    forelock
    a lock of hair growing (or falling) over the forehead
    crimp
    a lock of hair that has been artificially waved or curled
    dreadlock
    one of many long thin braids of hair radiating from the scalp; popularized by Rastafarians
    Afro, Afro hairdo
    a rounded thickly curled hairdo
    bang, fringe
    a border of hair that is cut short and hangs across the forehead
    bob
    a hair style for women and children; a short haircut all around
    wave
    a hairdo that creates undulations in the hair
    braid, plait, tress, twist
    a hairdo formed by braiding or twisting the hair
    chignon
    a roll of hair worn at the nape of the neck
    marcel
    a hairdo characterized by deep regular waves that are made by a heated curling iron
    pageboy
    a smooth hair style with the ends of the hair curled inward
    pompadour
    a hair style in which the front hair is swept up from the forehead
    ponytail
    a hair style that draws the hair back so that it hangs down in back of the head like a pony's tail
    roach
    a roll of hair brushed back from the forehead
    scalp lock
    a long tuft of hair left on top of the shaven head
    thatch
    hair resembling thatched roofing material
    beard, face fungus, whiskers
    the hair growing on the lower part of a man's face
    moustache, mustache
    an unshaved growth of hair on the upper lip
    burnside, mutton chop, side-whiskers, sideburn
    facial hair that has grown down the side of a man's face in front of the ears (especially when the rest of the beard is shaved off)
    type of:
    body covering
    any covering for the body or a body part
  2. noun
    any of the cylindrical filaments characteristically growing from the epidermis of a mammal
    “there is a hair in my soup”
    synonyms: pilus
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    types:
    ingrown hair
    a hair that does not emerge from the follicle but remains embedded in the skin (usually causing inflammation)
    type of:
    filament, filum
    a threadlike structure (as a chainlike series of cells)
  3. noun
    filamentous hairlike growth on a plant
    synonyms: fuzz, tomentum
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    types:
    stinging hair
    a multicellular hair in plants like the stinging nettle that expels an irritating fluid
    beard
    a tuft or growth of hairs or bristles on certain plants such as iris or grasses
    awn
    slender bristlelike appendage found on the bracts of grasses
    type of:
    enation, plant process
    a natural projection or outgrowth from a plant body or organ
  4. noun
    cloth woven from horsehair or camelhair; used for upholstery or stiffening in garments
    synonyms: haircloth
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    type of:
    cloth, fabric, material, textile
    artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers
  5. noun
    a filamentous projection or process on an organism
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    types:
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    bristle
    a stiff hair
    sensory hair, vibrissa, whisker
    a long stiff hair growing from the snout or brow of most mammals as e.g. a cat
    seta
    a stiff hair or bristle
    pilus
    hairlike structure especially on the surface of a cell or microorganism
    chaeta
    a stiff chitinous seta or bristle especially of an annelid worm
    type of:
    appendage, outgrowth, process
    a natural prolongation or projection from a part of an organism either animal or plant
  6. noun
    a very small distance or space
    “they escaped by a hair's-breadth”
    synonyms: hair's-breadth, hairsbreadth, whisker
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    type of:
    small indefinite amount, small indefinite quantity
    an indefinite quantity that is below average size or magnitude
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