anus

IPA/ˈeɪnəs/
KK[ˈenəs]IPA/ˈeɪnəs/

anus — noun

  • anussingular
  • anusesplural

1. The passage at the lower end of the digestive tract where solid waste from the i

1.nounB2
Definition

The passage at the lower end of the digestive tract where solid waste from the intestines exits the body.

Example

Dr. Evelyn asked Chidi to lie on his side while she examined his anus.

examined his anus — clinical examination

The anus is surrounded by a ring of muscles called the anal sphincter.

anus is surrounded by — anatomical description

Common collocations
  • examine the anus
  • around the anus
  • anus + muscle
  • anus + opening

Grammar Patterns

the anus

one's anus

Usage Note

Frequently used in medical and biological contexts. In everyday conversation, speakers often prefer less direct terms.

Common Mistakes

The doctor examined his anus canal.
The doctor examined his anal canal.
The adjective form is 'anal', not 'anus', before nouns.

Word family

Common collocations

Phrases

  • ring of muscle

Prepositions

Etymology

Latin

From Latin 'anus' meaning 'ring' or 'circle', referring to the ring-shaped muscle that surrounds the opening.