an opening or initiating move toward negotiations, a new relationship, an agreement, etc.; a formal or informal proposal or offer: overtures of peace; a shy man who rarely made overtures of friendship.
2.
Music.
a.
an orchestral composition forming the prelude or introduction to an opera, oratorio, etc.
a. a piece of orchestral music containing contrasting sections that is played at the beginning of an opera or oratorio, often containing the main musical themes of the work
b. a similar piece preceding the performance of a play
c. Also called: concert overture a one-movement orchestral piece, usually having a descriptive or evocative title
d. a short piece in three movements (French overture or Italian overture) common in the 17th and 18th centuries
2.
(often plural) a proposal, act, or gesture initiating a relationship, negotiation, etc
3.
something that introduces what follows
—vb
4.
to make or present an overture to
5.
to introduce with an overture
[C14: via Old French, from Late Latin apertūra opening, from Latin aperīre to open; see overt]
mid-13c., "an introductory proposal," from O.Fr. overture "opening, proposal," from L. apertura "opening," from aperire "to open, uncover" (see overt). Orchestral sense first recorded in English 1660s.