hair Meaning in the Cambridge English Dictionary
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Meaning of “hair” in the English Dictionary

"hair" in British English

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hairnoun [C or U]

uk   /heər/  us   /her/
A1 the ​mass of ​thin thread-like ​structures on the ​head of a ​person, or any of these ​structures that ​grow out of the ​skin of a ​person or ​animal: He's got ​short, ​dark hair. I'm going to have/get my hair cut. She ​brushed her ​long, ​red hair. He had ​lost his hair by the ​time he was 25. He's ​starting to get a few ​grey hairs now. I ​found a hair in my ​soup.
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(Definition of hair from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"hair" in American English

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hairnoun

 us   /heər/
the ​mass of ​thinstructures on the ​head of a ​person, or any of these ​structures that ​grow out of the ​skin of a ​person or ​animal: [U] blond/​curly/​wavy hair [C] I already have a few ​gray hairs. [U] I have to get my hair ​cut this ​week.
(Definition of hair from the Cambridge Academic Content Dictionary © Cambridge University Press)
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