An opening or hole on a living animal, usually present to allow, food, air or waste to enter or exit the organism. Including (but not limited to:

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.


Etna was bored through the top with a monstrous orifice. Addison.


© Webster 1913.

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