Prologue(n.) The preface or introduction to a discourse, poem, or performance; as, the prologue of Chaucer's \"Canterbury Tales;\" esp., a discourse or poem spoken before a dramatic performance
Prologue(n.) One who delivers a prologue.
Prologue(v. t.) To introduce with a formal preface, or prologue.
Prologued(imp. & p. p.) of Prologue
Prologuing(p. pr. & vb. n.) of Prologue
Words within prologuing