/ Dictionary / Index D dobsonfly: Meaning and Definition of Find definitions for: dob•son•fly Pronunciation: (dob'sun-flī"), [key] — pl. -flies. 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. Cf. hellgrammite. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dobsonfly (Thesaurus) dobson Dobsonian telescope Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language