n. A mouth or aperture, as of a tube, pipe, etc.; an opening; as,
the GNU version of the Collaborative International Dictionary of English
n. A mouth or aperture, as of a tube, pipe, etc.; an opening
The Century Dictionary and Cyclopedia
n. An opening; a mouth or aperture, as of a tube, pipe, or other similar object; a perforation; a vent.
n. See the adjectives.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an aperture or hole that opens into a bodily cavity
Word Usage
"Whenever I say the word orifice, I feel like a mix between a 13 yo boy and Beavis and Butthead - Say it with me - She said orifice, huh huh, orifice; yeah, orifice."