Noun

(en noun)

(obsolete) An opening; a recess or chamber.

* Chapman

the cave's inmost overture

(obsolete) disclosure; discovery; revelation

* Shakespeare

It was he / That made the overture of thy treasons to us.

(often in plural) An approach or proposal made to initiate communication, establish a relationship etc.

* {{quote-news

, year=2012 , date=April 23 , author=Angelique Chrisafis , title=François Hollande on top but far right scores record result in French election , work=the Guardian citation , page= , passage=Sarkozy gave a defiant speech, going on the offensive and betraying no hint of having been beaten. He styled the result as a "crisis" vote, by a French population which was "suffering". In a clear overture to Le Pen's voters, and the extreme-right motto of loving France, he said: "I call on all French people who put love of their country above partisan considerations, to unite and join me."}}

* 1994 , Nelson Mandela, Long Walk to Freedom , Abacus 2010, p. 20:

My mother had no choice; one did not turn down such an overture from the regent.

(Scotland) A motion placed before a legislative body, such as the General Assembly of the Church of Scotland.

(music) a musical introduction to a piece of music.

Noun

(en noun)

A speech or section used as an introduction, especially to a play or novel.

*{{quote-book, year=1905, author=

, title= , chapter=2 citation , passage=“H'm !” he said, “so, so—it is a tragedy in a prologue and three acts. I am going down this afternoon to see the curtain fall for the third time on what [...] will prove a good burlesque ; but it all began dramatically enough. It was last Saturday […] that two boys, playing in the little spinney just outside Wembley Park Station, came across three large parcels done up in American cloth. […]”}}

One who delivers a prologue.

* 1602 , :

And hither am I come, / A Prologue armed, but not in confidence / Of author's pen or actor's voice,

(computing) A component of a computer program that prepares the computer to execute a routine.