EXAMPLES FROM THE WEB FOR MELODEONS
Melodeons on the improved principle were constructed so that the wind was drawn through the reeds.
Before that time, the wind from the bellows, in all melodeons, was forced through the reeds.
Celia: If the hour would come he'd go out of this, I'd sing, I'd play on all the melodeons that ever was known!
1847, variant of melodion, from German Melopdoin, from Melodie, from Old French melodie (see melody).