aye-aye Meaning, Definition & Usage

  1. noun nocturnal lemur with long bony fingers and rodent-like incisor teeth closely related to the lemurs
    Daubentonia madagascariensis.

WordNet

Aye"-aye` noun
Etymology
From the native name, prob. from its cry.
Definitions
  1. (Zoöl.) A singular nocturnal quadruped, allied to the lemurs, found in Madagascar (Cheiromys Madagascariensis), remarkable for its long fingers, sharp nails, and rodent-like incisor teeth.

Webster 1913