Source : Webster's Revised Unabridged Dictionary (1913)

Theatricals \The*at"ric*als\, n. pl.
   Dramatic performances; especially, those produced by
   amateurs.

         Such fashionable cant terms as `theatricals,' and
         `musicals,' invented by the flippant Topham, still
         survive among his confraternity of frivolity. --I.
                                                  Disraeli.