1. Nocturnal mouselike mammal with forelimbs modified to form membranous wings and anatomical adaptations for echolocation by which they navigate
   "flittermice are the only chiropterans and the only mammals capable of true flight";
   - bat, chiropteran

Derived forms: flittermice

Type of: eutherian, eutherian mammal, placental, placental mammal

Part of: Chiroptera, order Chiroptera

Encyclopedia: Flittermouse