Pronunciation

change
  • (US) IPA (key): /ˈætɔl/ or /ˈætɑl/ or /ˈætoʊl/ or /ˈeɪtɑl/
  • (UK) IPA (key): /ˈætɒl/ or /əˈtɒl/

Singular
atoll

Plural
atolls

  1. An atoll is a reef or island that is made of coral.
    There are many atolls in the Pacific.