| Noun | 1. | Microchiroptera - most of the bats in the world; all bats except fruit bats insectivorous batsChiroptera, order Chiroptera - an old order dating to early Eocene: bats: suborder Megachiroptera (fruit bats); suborder Microchiroptera (insectivorous bats) carnivorous bat, microbat - typically having large ears and feeding primarily on insects; worldwide in distribution | |