Hypertext Webster Gateway: "anus"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Anus \A"nus\, n. [L., prob. for asnus: cf. Gr. ? to sit, Skr.
[=a]s.] (Anat.)
The posterior opening of the alimentary canal, through which
the excrements are expelled.
From WordNet (r) 1.7 (wn)
anus
n : excretory opening at the end of the alimentary canal [syn: {arse},
{arsehole}, {asshole}]
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