Definition of microlepidopteran in English:

microlepidopteran

Pronunciation /ˌmʌɪkrə(ʊ)lɛpɪˈdɒpt(ə)rən/

adjective

  • Of or relating to the microlepidoptera.

noun

  • A moth regarded as belonging to the microlepidoptera.

Origin

Late 19th century; earliest use found in The Century Dictionary. From microlepidoptera + -an.