Definition of Ritz Brothers
- a US song-and-dance comedy trio. The act, developed in 1925, consisted of the Joachim brothers Alfred (1901–65), Jimmy (1904–85), and Harry (1907–86). They appeared in such movies as Sing, Baby, Sing (1936), On the Avenue (1937), and Kentucky Moonshine (1938). After 1965, Jimmy and Harry performed as a duo until 1978.