What is another word for harmonium?
Pronunciation: [hɑːmˈə͡ʊni͡əm] (IPA) 
A harmonium, also known as a reed organ, is a musical keyboard instrument that produces sound by forcing air through metal reeds. Though the word harmonium is the commonly used term for this instrument, there are other synonyms that can also be used to refer to it. These include the term pump organ, which refers to the method of providing air to the instrument through a foot-operated bellows, and the term melodeon, which is a type of harmonium with a more compact design. Additionally, some people may refer to a harmonium as a reed organ, reflecting the fact that it produces sound using reeds.
