noun, plural a·nus·es. Anatomy.
- the opening at the lower end of the alimentary canal, through which the solid refuse of digestion is excreted.
noun
- the excretory opening at the end of the alimentary canalRelated adjective: anal
“inferior opening of the alimentary canal,” 1650s, from Old French anus, from Latin anus “ring, anus,” from PIE root *ano- “ring.” So called for its shape; cf. Greek daktylios “anus,” literally “ring (for the finger),” from daktylos “finger.”
n. pl. a•nus•es
- The opening at the lower end of the alimentary canal through which solid waste is eliminated from the body.anal orifice fundament
- The opening at the lower end of the digestive tract through which solid waste is excreted.
The opening through which feces pass out of the body.