definitions
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meatus

[ mee-ey-tuh s ]
/ miˈeɪ təs /
|

noun, plural me·a·tus·es, me·a·tus. Anatomy.

an opening or foramen, especially in a bone or bony structure, as the opening of the ear or nose.

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Nearby words

meatorrhaphy, meatoscopy, meatotomy, meatpacking, meatspace, meatus, meaty, mebendazole, mebi-, mec, mecamylamine

Origin of meatus

1655–65; < Latin meātus course, channel, equivalent to meā(re) to go, extend, have a course + -tus suffix of v. action
Related formsme·a·tal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for meatal

  • Under good illumination, the largest possible speculum is inserted into the meatal orifice.

    A System of Operative Surgery, Volume IV (of 4)|Various

British Dictionary definitions for meatal

meatus

/ (mɪˈeɪtəs) /

noun plural -tuses or -tus

anatomy a natural opening or channel, such as the canal leading from the outer ear to the eardrum

Word Origin for meatus

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

Medicine definitions for meatal (1 of 2)

meatal

[ mē-āt′l ]

adj.

Relating to a meatus.

Medicine definitions for meatal (2 of 2)

meatus

[ mē-ā′təs ]

n. pl. me•a•tus•es

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.