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meatus

[mee-ey-tuh s] /miˈeɪ təs/
noun, plural meatuses, meatus. Anatomy
1.
an opening or foramen, especially in a bone or bony structure, as the opening of the ear or nose.
Origin
1655-1665
1655-65; < Latin meātus course, channel, equivalent to meā(re) to go, extend, have a course + -tus suffix of v. action
Related forms
meatal, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for meatal

meatus

/mɪˈeɪtəs/
noun (pl) -tuses, -tus
1.
(anatomy) a natural opening or channel, such as the canal leading from the outer ear to the eardrum
Word Origin
C17: from Latin: passage, from meāre to pass
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
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meatal in Medicine

meatal me·a·tal (mē-āt'l)
adj.
Relating to a meatus.

meatus me·a·tus (mē-ā'təs)
n. pl. me·a·tus·es or meatus
A body opening or passage, especially the external opening of a canal.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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