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.

Origin of meatus

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

OTHER WORDS FROM meatus

me·a·tal, adjective

Words nearby meatus

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

Example sentences from the Web for meatus

British Dictionary definitions for meatus

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

Medical definitions for meatus

meatus
[ mē-ā′təs ]

n. pl. me•a•tus•es

A body opening or passage, especially the external opening of a canal.