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mayfly

[mey-flahy] /ˈmeɪˌflaɪ/
noun, plural mayflies.
1.
Also called shadfly. any insect of the order Ephemeroptera, having delicate, membranous wings with the front pair much larger than the rear and having an aquatic larval stage and a terrestrial adult stage usually lasting less than two days.
2.
Also, May fly. Angling. an artificial fly made to resemble this insect.
Origin
1645-1655
1645-55; May + fly2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for may fly

mayfly

/ˈmeɪˌflaɪ/
noun (pl) -flies
1.
Also called dayfly. any insect of the order Ephemeroptera (or Ephemerida). The short-lived adults, found near water, have long tail appendages and large transparent wings; the larvae are aquatic
2.
(angling) an artificial fly resembling this
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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