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We found 8 dictionaries with English definitions that include the word september 11: Click on the first link on a line below to go directly to a page where "september 11" is defined. General (7 matching dictionaries) September 11: Vocabulary.com [home, info] september 11: Dictionary.com [home, info] September 11: Rhymezone [home, info] september 11: Free Dictionary [home, info] september 11: Mnemonic Dictionary [home, info] september 11: LookWAYup Translating Dictionary/Thesaurus [home, info] september 11: Dictionary/thesaurus [home, info] Computing (1 matching dictionary) september 11: Encyclopedia [home, info]

Quick definitions from WordNet (September 11) ▸ noun:  the day in 2001 when Arab suicide bombers hijacked United States airliners and used them as bombs