ˈȯ(r)kə̇strə also -ˌkes- noun
( -s )
Etymology: Latin, from Greek orchēstra, from orcheisthai to dance; akin to Sanskrit ṛghāyati he raves, rages, trembles and perhaps akin to Greek ornynai to urge on, incite, call forth — more at rise
1.
a. : a circular space used by the chorus in front of the proscenium in an ancient Greek theater — see theater illustration
b. : a corresponding semicircular space in a Roman theater used for the seats of persons of distinction
2.
a. : a large group of players of musical instruments including typically strings, woodwinds, brasses, and percussion organized especially for performing one of the larger forms of concert music (as a symphony) or for accompanying an oratorio or other dramatic work (as a ballet or opera) or for playing light or popular music
symphony orchestra
pops orchestra
b. : a small group of musicians organized specifically to play for dining and dancing
a small 4-piece orchestra
c.
(1) : a space in a modern theater or other public hall that is used by a band of instrumental performers and that is commonly just in front of the stage and at or below the level of the auditorium floor
(2) : the forward section of seats on the main floor of a theater
(3) : the main floor of a theater