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We found 25 dictionaries with English definitions that include the word mayfly: Click on the first link on a line below to go directly to a page where "mayfly" is defined. General (24 matching dictionaries) mayfly: American Heritage Dictionary of the English Language [home, info] mayfly: Collins English Dictionary [home, info] mayfly: Vocabulary.com [home, info] mayfly: Macmillan Dictionary [home, info] mayfly: Merriam-Webster's Online Dictionary, 11th Edition [home, info] Mayfly, mayfly: Wordnik [home, info] mayfly: Cambridge Advanced Learner's Dictionary [home, info] mayfly: Wiktionary [home, info] mayfly: Compact Oxford English Dictionary [home, info] mayfly: Webster's New World College Dictionary, 4th Ed. [home, info] mayfly: The Wordsmyth English Dictionary-Thesaurus [home, info] mayfly: Infoplease Dictionary [home, info] mayfly: Dictionary.com [home, info] mayfly: UltraLingua English Dictionary [home, info] Mayfly (album), Mayfly (disambiguation), Mayfly: Wikipedia, the Free Encyclopedia [home, info] mayfly: Rhymezone [home, info] Mayfly: Encarta® Online Encyclopedia, North American Edition [home, info] mayfly: Free Dictionary [home, info] mayfly: Mnemonic Dictionary [home, info] mayfly: WordNet 1.7 Vocabulary Helper [home, info] mayfly: LookWAYup Translating Dictionary/Thesaurus [home, info] mayfly: Dictionary/thesaurus [home, info] Computing (1 matching dictionary) mayfly: Encyclopedia [home, info]

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (mayfly) ▸ noun:  slender insect with delicate membranous wings having an aquatic larval stage and terrestrial adult stage usually lasting less than two days