American English

Definition of 411 noun from the Oxford Advanced American Dictionary



    NAmE//ˌfɔr wʌn ˈwʌn//
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  1. 1[uncountable] the telephone number of the service that you use to find out a person's telephone number Call 411.
  2. 2the 411 [singular] (informal) the true facts about a situation or the information you need He'll give us the 411 on what to expect. Do you have the 411? Anyone got the 411 on when the next shipment will be?
See the Oxford Advanced Learner's Dictionary entry: 411