Chime in

What is Chime in?

Chime in definition and meaning on Dictionary terms:
an apparatus for striking a bell so as to produce a musical sound, as one at the front door of a house by which visitors announce their presence.
Often chimes. a set of bells or of slabs of metal, stone, wood, etc., producing musical tones when struck.a musical instrument consisting of such a set, especially a glockenspiel.the musical tones thus produced.carillon.

harmonious sound in general; music; melody.
harmonious relation; accord: the battling duo, in chime at last.

verb (used without object), chimed, chim