crumhorn means any of several related simple woodwind instruments having a bent horn.
Etymology
Borrowed from German Krum(m)horn (literally “bent horn”).
noun
- Any of several related simple woodwind instruments having a bent horn“[Yann] LeCun grew up constructing model aeroplanes and playing woodwind instruments such as the recorder and the crumhorn, a “weird Renaissance instrument”, which he played in a Renaissance dance music band.”