mastoid Definition in the Cambridge English Dictionary Cambridge dictionaries logo

Definition of “mastoid” - English Dictionary

"mastoid" in British English

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uk   us   /ˈmæs.tɔɪd/ specialized
relating to the mastoid ​process (= ​part of the ​skull just behind the ​ear): Mastoidectomy is ​performed to ​removeinfectedaircells within the mastoid ​bone.
shaped like a ​breast or a ​nipple (= one of the two ​smalldarkerparts that ​stick out from the ​breasts or ​chest)
(Definition of mastoid from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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“mastoid” in English

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