/ Dictionary / Index A act call: Meaning and Definition of Find definitions for: act' call" Pronunciation: [key] — Theat. Theat. Also calleda call or order from the stage manager summoning performers onstage for the beginning of a performance or act. 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. Acta Sanctorum* act curtain Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language