OR'IFICE, noun [Latin orificium; os, oris, mouth, and facio, to make.] The mouth or aperture of a tube, pipe or other cavity; as the orifice of an artery or vein; the orifice of a wound. The orifice of Etna.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI