double bass /ˌdʌb ə l ˈbeɪs/ BrE AmE ( also bass ) noun [countable]
a very large musical instrument shaped like a ↑ violin that the musician plays standing up
double bass /ˌdʌb ə l ˈbeɪs/ BrE AmE ( also bass ) noun [countable]
a very large musical instrument shaped like a ↑ violin that the musician plays standing up
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012