the excretory opening at the end of the alimentary canal
WordReference Random House Learner's Dictionary of American English © 2026
a•nus /ˈeɪnəs/USA pronunciation
n. [countable], pl. a•nus•es.
WordReference Random House Unabridged Dictionary of American English © 2026- Anatomythe opening at the lower end of the alimentary canal through which waste passes out of the body.
a•nus
(ā′nəs),USA pronunciation n., pl. a•nus•es. [Anat.]
-anus,
- Anatomythe opening at the lower end of the alimentary canal, through which the solid refuse of digestion is excreted. See diag. under intestine.
- Latin ānus ring, anus
- 1650–60
-anus,
- a suffix occurring in scientific words of Latin origin:Platanus.
- Latin -ānus; see -an
Collins Concise English Dictionary © HarperCollins Publishers::
'anus' also found in these entries (note: many are not synonyms or translations):
-an
- -ana
- -anum
- African
- Annelida
- Cartesian
- Cistercian
- Constantinopolitan Creed
- Ectoprocta
- Entoprocta
- Gallican
- Gregorian
- Horatian
- Ian
- agnolotti
- alimentary canal
- an
- ana
- anal
- anal fin
- ancient
- ane
- anilingus
- ano-
- anorectal
- arcane
- arse
- ass
- asshole
- bausond
- bum
- butthole
- carcanet
- castellan
- cauda
- certain
- collegian
- colostomy
- condyloma
- dean
- decuman
- defecate
- deuterostome
- digestive system
- dilatation
- dulciana
- elecampane
- entoproct
- faeces
- fart