Hypertext Webster Gateway: "orifice"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Orifice \Or"i*fice\, n. [F., from L. orificium; os, oris, a
mouth + facere to make. See {Oral}, and {Fact}.]
A mouth or aperture, as of a tube, pipe, etc.; an opening;
as, the orifice of an artery or vein; the orifice of a wound.
--Shak.
Etna was bored through the top with a monstrous
orifice. --Addison.
From WordNet (r) 1.7 (wn)
orifice
n : an aperture or hole opening into a bodily cavity; "the
orifice into the aorta from the lower left chamber of the
heart" [syn: {opening}, {porta}]
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