HyperDic

English > 1 sense of the expression mouth organ:
NOUNartifactmouth organ, harmonica, harp, mouth harpa small rectangular free-reed instrument having a row of free reeds set back in air holes and played by blowing into the desired hole
English > mouth organ: 1 sense > noun 1, artifact
MeaningA small rectangular free-reed instrument having a row of free reeds set back in air holes and played by blowing into the desired hole.
Synonymsharmonica, harp, mouth harp
Broaderfree-reed instrumentA wind instrument with a free reed