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meatus

American

[mee-ey-tuhs] / miˈeɪ təs /

noun

Anatomy.

plural

meatuses, meatus

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

meatus British

/ mɪˈeɪtəs /

noun

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

"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

Other Word Forms

meatal adjective

Etymology

Origin of meatus

1655–65; < Latin meātus course, channel, equivalent to meā ( re ) to go, extend, have a course + -tus suffix of v. action

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The internal auditory meatus is located due south of the temporal bone.

From Slate • Oct. 13, 2021

Specifically, I’d like to acquaint you with the internal auditory meatus.

From Slate • Oct. 13, 2021

The final opening of the urethra is called the meatus.

From Salon • Jul. 15, 2018

Mandibular fossa—This is the deep, oval-shaped depression located on the external base of the skull, just in front of the external acoustic meatus.

From Textbooks • Jun. 19, 2013

The meatus being found—there is no great ingenuity required to discover it—the instrument is inserted and pushed gently onward.

From The Dog by Dinks

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023