Definition of 9-11 in English :
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9-11 meaning in English
Meaning of 9-11 in English
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9-11 pronunciation in English
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9-11
see synonyms of 9-11Noun
1. 9-11, 9/11, sep 11, sept. 11, september 11
the day in 2001 when Arab suicide bombers hijacked United States airliners and used them as bombs
WordNet Lexical Database for English. Princeton University. 2010.
9-11
see synonyms of 9-11n.
September 11, 2001, the date on which two hijacked airliners were flown into the World Trade Center in New York City and another into the Pentagon. A fourth hijacked airliner crashed in open land in Pennsylvania.
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