Meaning of act call

act' call"

Pronunciation: [key]
— Theat. Theat.
  1. Also calleda call or order from the stage manager summoning performers onstage for the beginning of a performance or act.
  2. a signal summoning the audience to their seats for the beginning of a performance or act.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.