orifice definition

  • noun:
    • An opening, particularly to a cavity or passing of the body; a mouth or vent.
    • A mouth or aperture, by a tube, pipeline, etc.; an opening; as,
    • A mouth or aperture, at the time of a tube, pipeline, etc.; an opening
    • An opening; a mouth or aperture, by a tube, pipe, or other similar object; a perforation; a vent.
    • See the adjectives.
    • an aperture or opening that opens into a bodily cavity

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