me·a·tus (m -  t s)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 me tus, passage, from past participle of mere, to pass; see mei-1 in Indo-European roots.] |
meatus [mɪˈeɪtəs]
n pl -tuses, -tus
(Life Sciences & Allied Applications / Anatomy) Anatomy a natural opening or channel, such as the canal leading from the outer ear to the eardrum
[from Latin: passage, from meāre to pass]
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  meatus - a natural body passageway passageway, passage - a path or channel or duct through or along which something may pass; "the nasal passages" acoustic meatus, auditory canal, auditory meatus, ear canal, external auditory canal - either of the passages in the outer ear from the auricle to the tympanic membrane nasal meatus - the passages in the nasal cavity formed by the projections of the nasal conchae |
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