nut Definition in the Cambridge English Dictionary
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Definition of “nut” - English Dictionary

Definition of "nut" - American English Dictionary

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nutnoun [C]

 us   /nʌt/

nut noun [C] (FOOD)

the ​dryfruit of some ​trees, consisting of an ​edibleseed within a hard, ​outershell, or the ​seed itself

nut noun [C] (METAL OBJECT)

a ​smallring of ​metal that a bolt (= ​screw without a ​pointed end) can be ​screwed into to ​hold something in ​place: a ​wing nut (= a nut with ​flatedges for ​turning)

nut noun [C] (PERSON)

infml a ​person who is ​crazy, ​foolish, or ​strange: What ​kind of nut would ​leave a ​computer in his ​carovernight with the ​doorsunlocked? infml A nut is also a ​person who is ​extremelyenthusiastic about a ​particularactivity or thing: Joyce is a nut for ​antiques – we’ve got a ​housefull of them.
(Definition of nut from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "nut" - British English Dictionary

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nutnoun

uk   us   /nʌt/

nut noun (FOOD)

B2 [C] the ​dryfruit of ​particulartrees that ​grows in a hard ​shell and can often be ​eaten: a ​Brazil/​cashew nut Sprinkle some ​roastedchopped nuts on ​top.
More examples

nut noun (METAL OBJECT)

[C] a ​smallpiece of ​metal with a ​hole in it through which you put a bolt: Nuts and ​bolts are used to ​holdpieces of ​machinery together.

nut noun (PERSON)

[C] informal or offensive a ​person who ​behaves in a very ​silly, ​stupid, or ​strange way or an ​offensiveterm for a ​person who is ​mentallyill: What ​kind of nut would ​leave a ​car on a ​railwaytrack? [C] informal someone who is ​extremelyenthusiastic about a ​particularactivity or thing: James is a ​tennis nut - he ​plays every ​day.
See also

nut noun (HEAD)

[C] UK slang a person's ​head: Come on, useyour nut (= ​thinkclearly)!

nut noun (MONEY)

[U] US informal the ​amount of ​moneynecessary to ​operate a ​business or ​coveryourcosts: With two ​houses, three ​cars and child-support ​payments, he just couldn't ​meet his nut, ​even with a second ​job.

nutverb [T]

uk   us   /nʌt/ UK informal
to ​hit someone or something with ​yourhead: The ​guyturned round and nutted him.
(Definition of nut from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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