The initial period when a show at an art gallery or museum is first opened, especially the first evening.
The first few measures of a musical composition.
The first performance of a show or play by a particular troupe.
A gap permitting passage through.
A vacant position, especially in an array.
An unoccupied employment position.
In mathematical morphology, the dilation of the erosion of a set.
An act or instance of making or becoming open.
A time available in a schedule.
An opportunity, as in a competitive activity.
An act or instance of beginning.
The first few moves in a game.
Pertaining to the start or beginning of a series of events.
describing the first period of play, usually up to the fall of the first wicket; describing a batsman who opens the innings or a bowler who opens the attack
The first showing of a film, play or other form of entertainment, often held as a special event with celebrity guests.
In a series of narrative works, the installment that is chronologically set first.
The first episode of a television show or a particular season of that show.
The leading woman of a group, especially in a theatrical cast.
Of a film or play, to play for the first time.
To present a film or play for the first time.