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[dob-suh n-flahy] /ˈdɒb sənˌflaɪ/
noun, plural dobsonflies.
a large, soft-bodied insect, Corydalus cornutus, having four distinctly veined membranous wings, biting mouthparts, and, in the male, huge mandibles that jut out from the head.
Compare hellgrammite.
Origin of dobsonfly
1900-05; after surname Dobson; see fly2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for dobsonfly


noun (pl) -flies
(US & Canadian) a large North American neuropterous insect, Corydalis cornutus: the male has elongated horn-like mouthparts and the larva (a hellgrammite or dobson) is used as bait by anglers: suborder Megaloptera See also hellgrammite
Word Origin
C20: origin uncertain, perhaps after the surname Dobson
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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