krummhorn

noun

krumm·​horn ˈkrəm-ˌhȯrn 

variants or less commonly crumhorn or krumhorn

: a Renaissance double-reed woodwind instrument consisting of a curved boxwood tube and having a pierced cap covering the reed

Word History

Etymology

German Krummhorn, from krumm curved + Horn horn

First Known Use

circa 1696, in the meaning defined above