/ ˈrepətri; NAmE ˈrepərtɔːri/ noun
1.
(also informal rep ) [ U ] the type of work of a theatre company in which different plays are performed for short periods of time :
an actor in repertory
a repertory company
2.
[ C ] ( formal ) = repertoire (1)
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WORD ORIGIN
mid 16th cent. (denoting an index or catalogue): from late Latin repertorium , from Latin repert- found, discovered, from the verb reperire . Sense 1 (arising from the fact that a company has a “repertory” of pieces for performance) dates from the late 19th cent.