oral smear oral sex • oral stage · · · Info · Definitions · Characters · · oral smear · · Text Common · · Latin · · Scripts 10 · · Length 3 · · Syllables Definitions · · · (noun) alimentary tract smear of material obtained from the mouth. Synonyms: oral smear. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073