double bass

US /ˌdʌb.əl ˈbeɪs/
UK /ˌdʌb.əl ˈbeɪs/
"double bass" picture
1.

Kontrabass

the largest and lowest-pitched bowed string instrument in the modern symphony orchestra, with four or five strings and a range of about three and a half octaves

:
She plays the double bass in the school orchestra.
Sie spielt den Kontrabass im Schulorchester.
The deep resonance of the double bass filled the concert hall.
Die tiefe Resonanz des Kontrabasses erfüllte den Konzertsaal.