B1
a large group of musicians who play different instruments together
Dictionary examples:
The orchestra played so badly, even the mice left the concert hall. (0.0)
The orchestra's flutist accidentally swallowed her flute during the performance. (0.0)
The orchestra's conductor used a banana instead of a baton. (0.0)
She's a violinist with/in the Boston Symphony Orchestra. (44.7)
a symphony orchestra (51.1)