RAINEY Meaning of RAINEY in English /ray"nee/ , n.1. Gertrude ( "Ma" ), 1886-1939, U.S. blues singer. 2. Joseph Hayne /hayn/ , 1832-87, U.S. politician: first black congressman 1870-79. Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012