mississippi river Mississippi catfish • missive · · · Info · Definitions · Characters · · mississippi river · · Text Common · · Latin · · Scripts 17 · · Length 6 · · Syllables Definitions · · · (noun) a major North American river and the chief river of the United States; rises in northern Minnesota and flows southward into the Gulf of Mexico. Synonyms: Mississippi, Mississippi River. · · Noun Definition 1 Characters · · space U+0020 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 v latin small letter v U+0076