Breadcrumb Home > Dictionary > Index A aye-aye: Meaning and Definition of Find definitions for: aye-aye Pronunciation: (ī'ī"), [key] — n. a nocturnal lemur, Daubentonia madagascariensis, of Madagascar, feeding on insects and fruit, and having rodentlike incisors and long fingers: an endangered species. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aye-aye (Thesaurus) aye Ayer TrendingHere are the facts and trivia that people are buzzing about. Animal Group Terminology Largest Countries in the World (by Area) Current Events This Week: January 2023 State Abbreviations Dinosaur Fossils (By U.S. State!) The Chinese Zodiac ✖ Related Content Daily Word Quiz: locution Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language