Quintfagott Your browser does not support the audio element. [ German ] Definition 1. A 17th century bassoon sounding a fifth below the standard bassoon. 2. An 18th - 19th century bassoon sounding a fifth above the standard bassoon. Share Share on Facebook (opens in a new tab) Share on X (opens in a new tab) Last Updated: 2015-05-28 16:33:20