Dictionary.com

mastoid

[ mas-toid ]
/ ˈmæs tɔɪd /
Save This Word!

adjective Anatomy.

of or relating to the mastoid process.
resembling a breast or nipple.

noun

QUIZZES

THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?

Did you ever collect all those state quarters? Put them to good use on this quiz about curious state monikers and the facts around them.
Question 1 of 8
Mississippi’s nickname comes from the magnificent trees that grow there. What is it?

Origin of mastoid

1725–35; <New Latin mastoīdēs<Greek mastoeidḗs.See masto-, -oid

OTHER WORDS FROM mastoid

in·ter·mas·toid, adjectivepost·mas·toid, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for mastoid

British Dictionary definitions for mastoid

mastoid
/ (ˈmæstɔɪd) /

adjective

shaped like a nipple or breast
designating or relating to a nipple-like process of the temporal bone behind the ear

noun

the mastoid process
informal mastoiditis
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

mastoid
[ măstoid′ ]

n.

The mastoid process.

adj.

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.
Tired of Typos? Get Help Now!