melodeon

or me·lo·di·on

[ muh-loh-dee-uh n ]
/ məˈloʊ di ən /

noun

a small reed organ.
a kind of accordion.

Origin of melodeon

1840–50, Americanism; < German, formed on Melodie melody; see accordion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for melodeon

melodeon

melodion

/ (mɪˈləʊdɪən) /

noun music

a type of small accordion
a type of keyboard instrument similar to the harmonium

Word Origin for melodeon

C19: from German, from Melodie melody
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012