Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary


geographical name Man·ga·ia \mäŋ-ˈgī-ə\

Definition of Mangaia

  1. island S. Pacific in SE Cook Islands; completely encircled by reef area 20 square miles (52 square kilometers)

Learn More about mangaia

Seen and Heard

What made you want to look up Mangaia? Please tell us where you read or heard it (including the quote, if possible).