oral cavity oral cancer • oral communication · · · Info · Definitions · Synonyms · Characters · · oral cavity · · Text Common · · Latin · · Scripts 11 · · Length 5 · · Syllables Definitions · · · (noun) the opening through which food is taken in and vocalizations emerge. Synonyms: mouth, oral cavity, oral fissure, rima oris. Example: "He stuffed his mouth with candy." · · Noun Definition 1 Synonyms · · · mouth · · Synonym 1 oral fissure · · Synonym 2 rima oris · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 v latin small letter v U+0076 y latin small letter y U+0079