Entomology. 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.
Botany. having two winglike appendages, as seeds or stems.
They may be reared by collecting lepidopterous and dipterous pupae.
British Dictionary definitions for dipterous
Also dipteran. of, relating to, or belonging to the Diptera, a large order of insects having a single pair of wings and sucking or piercing mouthparts. The group includes flies, mosquitoes, craneflies, and midges
(botany) having two winglike parts: a dipterous seed
C18: from New Latin, from Greek dipteros, from di- two + pteros wing
(dĭp'tər-ən) Any of various insects of the order Diptera, characterized by a single pair of membranous wings, a pair of club-shaped balancing organs, and large compound eyes. Dipterans include the flies, mosquitoes, midges, and gnats.