A chamber orchestra is a small orchestra which plays classical music.
chamber orchestra in British English
noun
a small orchestra consisting of about 25 players, used for the authentic performance of baroque and early classical music as well as modern music written specifically for a small orchestra
chamber orchestra in American English
an orchestra much smaller than a symphony orchestra, usually playing compositions suited to it
Examples of 'chamber orchestra' in a sentence
chamber orchestra
For some of the smaller chamber orchestras such expenditure is not an option.