bighorn river bighorn • bighorn sheep · · · Info · Definitions · Characters · · bighorn river · · Text Common · · Latin · · Scripts 13 · · Length 4 · · Syllables Definitions · · · (noun) a river that flows from central Wyoming to the Yellowstone River in southern Montana. Synonyms: Bighorn, Bighorn River. · · Noun Definition 1 Characters · · space U+0020 b latin small letter b U+0062 e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 v latin small letter v U+0076