- a group of performers on various musical instruments, including especially stringed instruments of the viol class, clarinets and flutes, cornets and trombones, drums, and cymbals, for playing music, as symphonies, operas, popular music, or other compositions.
- (in a modern theater)
- the space reserved for the musicians, usually the front part of the main floor (orchestra pit ).
- the entire main-floor space for spectators.
- the parquet.
- (in the ancient Greek theater) the circular space in front of the stage, allotted to the chorus.
- (in the Roman theater) a similar space reserved for persons of distinction.
- a large group of musicians, esp one whose members play a variety of different instruments
- a group of musicians, each playing the same type of instrument
- the space reserved for musicians in a theatre, immediately in front of or under the stage
- the stalls in a theatre
- (in the ancient Greek theatre) the semicircular space in front of the stage
