911
(in the United States and Canada) the telephone number used to reach emergency medical, fire, and police services.
Origin of 911
1Other definitions for 9/11 (2 of 2)
or 9-11
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.
Origin of 9/11
2- Also called nine-eleven .
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
Cultural definitions for 9-11
See September 11 attacks.
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.
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