hydraulus

[ hahy-draw-luhs ]

noun,plural hy·drau·li [hahy-draw-lahy], /haɪˈdrɔ laɪ/, hy·drau·lus·es.
  1. a pipe organ of ancient Greece and Rome using water pressure to maintain the air supply.

Origin of hydraulus

1
1870–75; <Latin <Greek hýdraulos water organ, equivalent to hydr-hydr-1 + aulós pipe

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

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