[ hahr-moh-nee-uh m ]
/ hɑrˈmoʊ ni əm /


an organlike keyboard instrument with small metal reeds and a pair of bellows operated by the player's feet.

Origin of harmonium

1840–50; Latinization of Greek harmónion, neuter of harmónios harmonious
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for harmonium

/ (hɑːˈməʊnɪəm) /


a musical keyboard instrument of the reed organ family, in which air from pedal-operated bellows causes the reeds to vibrate

Word Origin for harmonium

C19: from French, from harmonie harmony
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