Definition of hair
1a : a slender threadlike outgrowth of the epidermis of an animal; especially : one of the usually pigmented filaments that form the characteristic coat of a mammalb : the hairy covering of an animal or a body part; especially : the coating of hairs on a human head
2 : haircloth
3a : a minute distance or amount won by a hairb : a precise degree aligned to a hair
5 : a filamentous structure that resembles hair leaf hair
hairlikeplay \-ˌlīk\ adjective
in one's hair
: persistently and annoyingly in one's presence can't work with you in my hair all day
out of one's hair
: out of one's way : not in one's hair keep the children out of his hair for a while
Examples of hair in a sentence
He plucked a hair from his arm.
There are dog hairs all over my coat.
The hair on her arms is blond.
He has a lot of hair on his chest.
He got his hair cut last week.
He has a thick head of hair.
a balding man who is losing his hair
He won the race by a hair.
He was a hair off on the count.
Origin and Etymology of hair
Middle English, from Old English hǣr; akin to Old High German hār hair
First Known Use: before 12th century
HAIR Defined for English Language Learners
Definition of hair for English Language Learners
: a thin threadlike growth from the skin of a person or animal
: a covering or growth of hairs
: the covering of hairs on a person's head
HAIR Defined for Kids
Definition of hair for Students
1 : a threadlike growth from the skin of a person or animal She pulled out a hair.
2 : a covering or growth of hairs I got my hair cut.
3 : something (as a growth on a leaf) like an animal hair
4 : a very small distance or amount I won by a hair.
haired\ˈherd\ adjective a long-haired dog
Medical Definition of hair
1: a slender threadlike outgrowth of the epidermis of an animal; especially : one of the usually pigmented filaments that form the characteristic coat of a mammal
2: the hairy covering of an animal or a body part; especially : the coating of hairs on a human head
Seen and Heard
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