oral herpes oral fissure • oralism · · · Info · Definitions · Synonyms · Characters · · oral herpes · · Text Common · · Latin · · Scripts 11 · · Length 4 · · Syllables Definitions · · · (noun) caused by herpes simplex virus type 1 (HSV-1). Synonyms: oral herpes, herpes labialis, cold sore, fever blister. · · Noun Definition 1 Synonyms · · · herpes labialis · · Synonym 1 cold sore · · Synonym 2 fever blister · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 h latin small letter h U+0068 l latin small letter l U+006C o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073