oral fissure oral examination • oral herpes · · · Info · Definitions · Synonyms · Characters · · oral fissure · · Text Common · · Latin · · Scripts 12 · · Length 4 · · 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 cavity · · Synonym 2 rima oris · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 f latin small letter f U+0066 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 s latin small letter s U+0073 u latin small letter u U+0075