'Drone fly' definitions:
Definition of 'Drone fly'
From: GCIDE
- Drone fly \Drone" fly`\ (Zool.) A dipterous insect (Eristalis tenax), resembling the drone bee. See Eristalis. [1913 Webster]
Definition of 'drone fly'
From: GCIDE
- Eristalis \E*ris"ta*lis\, n. [NL.] (Zo["o]l.) A genus of dipterous insects whose young (called rat-tailed larv[ae]) are remarkable for their long tapering tail, which spiracles at the tip, and for their ability to live in very impure and salt waters; -- also called drone fly. Eristic