river otter river oak • river pear · · · Info · Definitions · Synonyms · Characters · · river otter · · Text Common · · Latin · · Scripts 11 · · Length 4 · · Syllables Definitions · · · (noun) sociable aquatic animal widely distributed along streams and lake borders in North America. Synonyms: river otter, Lutra canadensis. · · Noun Definition 1 Synonyms · · · lutra canadensis · · Synonym 1 Characters · · space U+0020 e latin small letter e U+0065 i latin small letter i U+0069 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