/dip"teuhr euhs/ , adj.
1. Entomol. belonging or pertaining to the order Diptera, comprising the houseflies, mosquitoes, and gnats, characterized by a single, anterior pair of membranous wings with the posterior pair reduced to small, knobbed structures.
2. Bot. having two winglike appendages, as seeds or stems.
[ 1765-75; dipterus dípteros; see DIPTERA, -OUS ]