Definition of “meatus” - English Dictionary

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“meatus” in British English

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meatusnoun [ C ]

uk /miˈeɪ.təs/ us /miˈeɪ.t̬əs/ plural meatus uk /miˈeɪ.təs/ us /-t̬əs/ meatuses specialized

an opening in the body, especially one leading to the outside of the body:

the acoustic meatus

(Definition of “meatus” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)