ಅರ್ಥ : Something that serves as a preceding event or introduces what follows.
ಉದಾಹರಣೆ :
Training is a necessary preliminary to employment.
Drinks were the overture to dinner.
ಸಮಾನಾರ್ಥಕ : overture, preliminary
ಅರ್ಥ : Music that precedes a fugue or introduces an act in an opera.