orchestra

US /ˈɔːr.kə.strə/
UK /ˈɔːr.kə.strə/
"orchestra" picture
1.

a group of instrumentalists, especially one combining string, woodwind, brass, and percussion sections and playing classical music.

:
The orchestra performed a beautiful symphony.
She plays the violin in the school orchestra.
2.

the part of a theater where the orchestra plays, typically in front of the stage and lower than the audience

:
The conductor stood in the orchestra pit.
We had seats in the front row of the orchestra.