PROLOGUE
Pro"logue, n. Etym: [F., fr. L. prologus, fr. Gr. Logic.]

1. 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

2. One who delivers a prologue. [R.] Shak.

PROLOGUE
Pro"logue, v. t. [imp. & p. p. Prologued; p. pr. & vb. n.
Prologuing.]

Defn: To introduce with a formal preface, or prologue. [R.] Shak.

PROLONG
Pro*long", v. t. [imp. & p. p. Prolonged; p. pr. & vb. n.
Prolonging.] Etym: [F. prolonger, L. prolongare; pro before, forth +
longus long. See Long, a., and cf. Prolongate, Purloin. ]

1. To extend in space or length; as, to prolong a line.

2. To lengthen in time; to extend the duration of; to draw out; to continue; as, to prolong one's days. Prolong awhile the traitor's life. Shak. The unhappy queen with talk prolonged the night. Dryden.

3. To put off to a distant time; to postpone. Shak.

PROLONGABLE
Pro*long"a*ble, a.