a small kind of reed organ
Origin of harmoniumFr: so named by A. F. Debain (1809-77), French organ maker from harmonie, harmony
An organlike keyboard instrument that produces tones with free metal reeds actuated by air forced from a bellows.
Origin of harmoniumFrench from harmonie harmony from Old French armonie, harmonie ; see harmony .
- See Wikipedia for differences in usage between US and UK
From French harmonium, a term coined by Alexandre Debain.