smooth softshell smooth-sliding • smooth-soothing · · · Info · Definitions · Synonyms · Characters · · smooth softshell · · Text Common · · Latin · · Scripts 16 · · Length 3 · · Syllables Definitions · · · (noun) river turtle of Mississippi basin; prefers running water. Synonyms: smooth softshell, Trionyx muticus. · · Noun Definition 1 Synonyms · · · trionyx muticus · · Synonym 1 Characters · · space U+0020 e latin small letter e U+0065 f latin small letter f U+0066 h latin small letter h U+0068 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074