Sĕr'aph-ine, n.

n. [From seraph.] (Mus.) A wind instrument whose sounding parts are reeds, consisting of a thin tongue of brass playing freely through a slot in a plate. It has a fixed case, like a piano-forte, and is played by a similar key-board. Its bellows is worked by the foot.

☞ The melodeon is a portable variety of this instrument.