WordReference Random House Unabridged Dictionary of American English © 2025
dob•son•fly
(dob′sən flī′),USA pronunciation n., pl. -flies.
- Insectsa 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.
- 1900–05; after surname Dobson; see fly2
'dobsonfly' also found in these entries (note: many are not synonyms or translations):