double reed
noun
: two reeds bound together with a slight separation between them so that air passing through them causes them to beat against one another and that are used as a sound-producing device in certain woodwind instruments (such as members of the oboe family)
Example Sentences
Recent Examples on the Web For the Vietnamese character Tiên Luu (Y. Lan), Blanchard wrote a mournful melody for duduk, an Armenian double reed woodwind, performed by Pedro Eustache. 
Tim Greiving, Los Angeles Times, 25 Jan. 2021
Tim Greiving, Los Angeles Times, 25 Jan. 2021 Word History
First Known Use
circa 1876, in the meaning defined above