オールマンリバーMeanings1nounOl' Man River (song)work of art, literature, music, etc.Title of a famous song from the musical Show Boat. In Japanese, it is referred to by this katakana name.「オールマンリバー」はミュージカル『ショウボート』の有ゆう名めいな曲きょくです。"Ol' Man River" is a famous song from the musical Show Boat.