orifice orifacial • orificial · · · Info · Definitions · Synonyms · Characters · · orifice · · Text Latin · · Script 7 · · Length Definitions · · · (noun) an aperture or hole that opens into a bodily cavity. Synonyms: opening, porta. Example: "The orifice into the aorta from the lower left chamber of the heart." · · Noun Definition 1 Synonyms · · · opening · · Synonym 1 porta · · Synonym 2 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 o latin small letter o U+006F r latin small letter r U+0072