Orchestra is the place in front of the stage where musicians sit at a play, or a large group of musicians.(noun)
See orchestra in Webster's New World College Dictionary
Origin: L < Gr orchēstra < orcheisthai, to dance < IE base *ergh-, extension of base *er-, swift movement, a raising > Sans *ṛghāyati, (he) rages, Ger arg, bad
See orchestra in American Heritage Dictionary 4
Origin: Latin orchēstra, the space in front of the stage in Greek theaters where the chorus performed
Origin: , from Greek orkhēstrā
Origin: , from orkheisthai, to dance.
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