niger river niger oil • niger seed · · · Info · Definitions · Characters · · niger river · · Text Common · · Latin · · Scripts 11 · · Length 4 · · Syllables Definitions · · · (noun) an African river; flows into the South Atlantic. Synonyms: Niger, Niger River. · · Noun Definition 1 Characters · · space U+0020 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 n latin small letter n U+006E r latin small letter r U+0072 v latin small letter v U+0076