411

or 4-1-1

[ fawr-wuhn-wuhn ]

  1. a telephone number for directory information.

  2. Informal.the 411, information or knowledge, usually about an event or activity and acquired by oral communication: Here's the 411 on tomorrow night's party.Planning for Spring Break in Cabo—what's the 411?"

Origin of 411

1
First recorded in 1930–35 for def. 1, and in 1980–85 for def. 2

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024