reed organ
US /ˈriːd ˌɔːr.ɡən/
UK /ˈriːd ˌɔːr.ɡən/

1.
harmonium, orgue à anches
a musical instrument similar to an organ, in which the sound is produced by air blown through free reeds
:
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The old church had a beautiful reed organ that filled the sanctuary with its rich sound.
La vieille église possédait un magnifique harmonium qui emplissait le sanctuaire de son son riche.
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Unlike pipe organs, reed organs are generally smaller and more portable.
Contrairement aux orgues à tuyaux, les harmoniums sont généralement plus petits et plus portables.