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English definition of “number”

number

noun (PARTICULAR THING)    /ˈnʌm.bər/ US  /-bɚ/
[C] a particular example of somethingSamples and examples [C] a particular copy of a magazine : Do you have last week's number of the New Yorker ? He's got all the back numbers (= previous copies ) of the magazine .Newspapers and magazines [C] informal a piece of clothing , especially a dress , that you admire : She was wearing a stylish Dior number.Clothing - general words [C] US slang a person with a particular characteristic : He's a real sexy number, don't you think ?People in general [C] a short tune or song : Sing one of those romantic numbers.Types of songsMusical pieces [C usually singular] mainly US slang something that is often said: He tried the usual /that old number about how his wife didn't understand him.Informal talking and conversation Grammar:NumberWhen we use the word number, we refer to specific numbers:Grammar:Numbers: first, second, thirdNumbers such as first, second, third are ordinal numbers. We use them to put things in an order. We most commonly use ordinal numbers as determiners. When we use ordinal numbers as determiners (before nouns), we commonly use other determiners such as articles (a/an, the) and possessives (my, your) in front of them:Grammar:Numbers: one, two, threeNumbers such as one, five, eleven, two hundred are cardinal numbers. We most commonly use cardinal numbers as determiners (before nouns). When we use them in this way, we can use other determiners such as articles (a/an, the) and possessives (my, your) in front of them. We can use cardinal numbers + of before determiners (one of my friends):
(Definition of number noun (PARTICULAR THING) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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