Dictionary

1mastoid

adjective mas·toid \ˈmas-ˌtid\

Definition of MASTOID

1
:  being the process of the temporal bone behind the ear; also :  being any of several bony elements that occupy a similar position in the skull of lower vertebrates
2
:  of, relating to, or occurring in the region of the mastoid process
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Origin of MASTOID

New Latin mastoides resembling a nipple, mastoid, from Greek mastoeidēs, from mastos breast
First Known Use: 1732

2mastoid

noun

Definition of MASTOID

:  a mastoid bone or process

First Known Use of MASTOID

1840

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