philharmonic orchestra

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun music A large group of musicians who play together on various instruments, usually including some from strings, woodwind, brass and/or percussion; the instruments played by such a group. The prefix "philharmonic" does not indicate any difference from a normal orchestra, but can be useful to distinguish different ensembles based in the same city (for instance, the London Symphony Orchestra and the London Philharmonic Orchestra).