contrabassoon

[ kon-truh-ba-soon, -buh- ]
/ ˈkɒn trə bæˈsun, -bə- /

noun

a bassoon larger in size and an octave lower in pitch than the ordinary bassoon; a double bassoon.

Origin of contrabassoon

First recorded in 1890–95; contra-2 + bassoon
Related formscon·tra·bas·soon·ist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for contrabassoon

contrabassoon

/ (ˌkɒntrəbəˈsuːn) /

noun

the largest instrument in the oboe family, pitched an octave below the bassoon; double bassoon
Derived Formscontrabassoonist, noun
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