First Known Use: 15th century
Dictionary
anus
noun \ˈā-nəs\
: the opening between a person's buttocks through which solid waste passes from the body
Full Definition of ANUS
: the posterior opening of the alimentary canal
See anus defined for English-language learners
See anus defined for kids
ADVERTISEMENT
Origin of ANUS
Latin, ring, anus; perhaps akin to Old Irish ánne ring
Other Anatomy Terms
ANUS Defined for Kids
anus
noun \ˈā-nəs\
Definition of ANUS for Kids
: the lower opening of the digestive tract
Medical Dictionary
anus
noun \ˈā-nəs\
plural anus·es or ani \ˈā-(ˌ)nī\
Medical Definition of ANUS
: the posterior opening of the alimentary canal
Illustration of ANUS
Learn More About ANUS
Browse
ADVERTISEMENT
Seen & Heard
What made you want to look up anus? Please tell us where you read or heard it (including the quote, if possible).