n.1.Something done before another act.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
(That episode is, in turn, doubled by the addition of the parallel Olimpia episode in 1532.) Ariosto rakes up hints from Boiardo to write the antefact of Lucina's danger as a variation on Odysseus's encounter with Polyphemus: Boiardo's Orco has no eyes, as against one (3.3.28), and he throws a mountain after his tormentors/victims as they escape by sea (55-58).