orchestra

1. N-COUNT An orchestra is a large group of musicians who play a variety of different instruments together. Orchestras usually play classical music. 琯弦樂隊

...the Los Angeles Philharmonic Orchestra. …洛杉磯愛樂樂團。

2. →see also symphony orchestra

3. N-SING Theorchestra or the orchestra seats in a theatre or concert hall are the seats on the first floor directly in front of the stage. 舞臺前方一樓座位[美國英語]

With the balcony blocked off, patrons filled most of the orchestra seats. 樓厛包廂被封閉了，贊助人幾乎坐滿了舞臺前方的一樓座位。