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meatus

 - 4 dictionary results

me⋅a⋅tus

  [mee-ey-tuhs]
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–noun, plural -tus⋅es, -tus. Anatomy.
an opening or foramen, esp. in a bone or bony structure, as the opening of the ear or nose.
Origin:
1655–65; < L meātus course, channel, equiv. to meā(re) to go, extend, have a course + -tus suffix of v. action

Related forms:
me⋅a⋅tal, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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me·a·tus   (mē-ā'təs)   
n.   pl. me·a·tus·es or meatus
A body opening or passage, such as the opening of the ear or the urethral canal.

[Latin meātus, passage, from past participle of meāre, to pass; see mei-1 in Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: me·atus
Pronunciation: mE-'At-&s
Function: noun
Inflected Form: plural me·atus·es /-&-s&z/ or me·atus /-'At-&s, -'A-"tüs/
: a natural body passage : CANAL,DUCT
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

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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