911
[ nahyn-wuhn-wuhn, nahyn-i-lev-uhn ]
/ ˈnaɪnˌwʌnˈwʌn, ˈnaɪn ɪˈlɛv ən /
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(in the U.S. and Canada) a telephone number used to reach emergency services, as the police, the fire department, or an ambulance.
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Origin of 911
First recorded in 1965–70
Words nearby 911
Definition for 911 (2 of 2)
9/11
or 9-11
[ nahyn-i-lev-uhn ]
/ ˈnaɪn ɪˈlɛv ən /
September 11, 2001: the day on which Islamic terrorists, believed to be part of the Al-Qaeda network, hijacked four commercial airplanes and crashed two of them into the World Trade Center in New York City and a third one into the Pentagon in Virginia: the fourth plane crashed into a field in rural Pennsylvania.
Also called nine-eleven .
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for 911
Cultural definitions for 911
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.