metatheatricaladj.

1960 L. Abel in Partisan Rev. 27 328 The effect Genet achieves here [i.e. in The Balcony] by the metatheatrical device of having us present at the dressing up of his personages.

1979 Shakespeare Q. 30 147 The shorter scene comes more naturally to Shakespeare..and..a lengthy scene relies on metatheatrical material for extension.

1993 Guardian 13 Aug. ii. 9/1 There are dangers in treating the play as a meta-theatrical spectacle: that you sacrifice the colonial politics and transform Prospero into an omnipotent puppet-master.