orchestra

Từ điển Oxford Advanced Learner 8th

or·ches·tra [orchestra orchestras] BrE [ˈɔːkɪstrə] NAmE [ˈɔːrkɪstrə] noun
1. countable + singular or plural verb a large group of people who play various musical instruments together, led by a ↑conductor
•She plays the flute in the school orchestra.
•the Scottish Symphony Orchestra
•The competition gave the young composer her first opportunity to write for a full orchestra.
see also ↑chamber orchestra, ↑symphony orchestra
2. the orchestrasingular (NAmE) (BrE the ˈorchestra stalls, the stalls)the seats that are nearest to the stage in a theatre
See also: ↑orchestra stalls

Word Origin:
early 17th cent.: via Latin from Greek orkhēstra, from orkheisthai ‘to dance’.

Example Bank:
•The full orchestra includes two harps.
•The full orchestra includes two pairs of French horns.
•The orchestra struck up a lively march.
•the Ulster Orchestra under Philip Ledger