mastoid

mastoid definition - medical

mas·toid (măsˈtoidˌ)

noun
The mastoid process.
adjective
  1. Of or relating to the mastoid process, antrum, or sinuses.
  2. Shaped like a breast or nipple.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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