melodeon
melodeon · melodeons
A type of reed organ with a single keyboardA type of reed organ with a single keyboard.
UK/mɪˈləʊdɪən/US/məˈloʊdi.ən/
Meaning
3 senses(historical)A type of reed organ with a single keyboard.
An accordion where the melody-side keyboard is limited to the notes of diatonic scales in a small number of keys.
(US, historical)A music hall.