anus
Anus (noun) means the opening at the end of the digestive tract through which solid waste leaves the body.
How to use anus
Learner’s notesIn plain EnglishThe clinical/anatomical term for the body's rear opening.
Neutral and clinical in medical contexts; the insult sense is crude slang best avoided in polite writing.
Word forms
- Plural
- anuses, ani
Etymology
From Latin anus, meaning "ring," describing the shape of the opening — related to words like "annular" and "anal."