[ mas-toid ]
/ ˈmæs tɔɪd /
resembling a breast or nipple.
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Origin of mastoid
1725–35; <New Latin mastoīdēs
OTHER WORDS FROM mastoidin·ter·mas·toid, adjectivepost·mas·toid, adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use mastoid in a sentence
British Dictionary definitions for mastoid
shaped like a nipple or breast
designating or relating to a nipple-like process of the temporal bone behind the ear
the mastoid process
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for mastoid
Of or relating to the mastoid process, antrum, or sinuses.
Shaped like a breast or nipple.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.