meatus
noun
me·a·tus mē-ˈā-təs 
plural meatuses mē-ˈā-tə-səz or meatus mē-ˈā-təs
or meatus mē-ˈā-təs -ˌtüs
: a natural body passage
Example Sentences
Recent Examples on the Web There must be a compelling reason to want to wedge another person’s waxy nub into your external auditory meatus. 
Lauren Goode, Wired, 13 Aug. 2021
Lauren Goode, Wired, 13 Aug. 2021 Word History
Etymology
Late Latin, from Latin, going, passage, from meare to go — more at permeate
First Known Use
15th century, in the meaning defined above
Medical Definition
meatus
noun
me·atus mē-ˈāt-əs
plural meatuses -ə-səz or meatus -ˈāt-əs, -ˈā-ˌtüs
or meatus -ˈāt-əs, -ˈā-ˌtüs : a natural body passage : canal, duct