Origin: 1590–1600; < Latin praelūsiōn- (stem of praelūsiō) a prelude, equivalent to praelūs(us) (past participle of praelūdere;see prelude) + -iōn--ion
a. a piece of music that precedes a fugue, or forms the first movement of a suite, or an introduction to an act in an opera, etc
b. (esp for piano) a self-contained piece of music
2.
something serving as an introduction or preceding event, occurrence, etc
—vb
3.
to serve as a prelude to (something)
4.
(tr) to introduce by a prelude
[C16: (n) from Medieval Latin praelūdium, from prae before + -lūdium entertainment, from Latin lūdus play; (vb) from Late Latin praelūdere to play beforehand, rehearse, from lūdere to play]