n. & v.
--n.
1. a a preliminary speech, poem, etc., esp. introducing a play (cf. EPILOGUE). b the actor speaking the prologue.
2 (usu. foll. by to) any act or event serving as an introduction.
--v.tr. (prologues, prologued, prologuing) introduce with or provide with a prologue.
Etymology: ME prolog f. OF prologue f. L prologus f. Gk prologos (as PRO-(2), logos speech)