[ hahr-moh-nee-uhm ]

  1. 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 harmóniosharmonious

Words Nearby harmonium

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use harmonium in a sentence

  • Punch-Drunk is better described as a manic lark, from the abandoned harmonium that kicks off the story to the phone-sex extortion ploy that threatens to disrupt Barry’s newfound contentment.

    All of Paul Thomas Anderson's Movies, Ranked | Matthew Jacobs | November 24, 2021 | Time
  • He was also the inventor of "Poikilorgue," an expressive organ, which was the origin of the harmonium.

  • It is accompanied by a small harmonium, played by a young lady in moderately tasteful style.

  • And while he spoke someone inside the house played "God Save the Queen" with one finger (incorrectly) on a harmonium.

    The Relief of Mafeking | Filson Young
  • He sang an Offertory solo, accompanying himself on the harmonium.

    My New Curate | P.A. Sheehan
  • My hostess played the harmonium; the potential Personage of the family led the singing.

British Dictionary definitions for harmonium


/ (hɑːˈməʊnɪəm) /

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

Origin of 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