The first act in a variety show or concert.
A person who opens something.
A device that opens something; specifically a tin-opener/can-opener, or a bottle opener.
An establishment that opens.
The player who starts the betting.
The first goal or point scored.
A period of time when it is legal to commercially fish.
Cards of sufficient value to enable a player to open the betting.
A person employed to separate sheets of hot metal that become stuck together.
A batsman who normally plays in the first two positions of an innings.
The first game played in a competition.
The first in a series of events, items etc.; the first remark or sentence of a conversation.
A pitcher who specializes in getting the first outs of a game before being replaced, either by a long reliever or a pitcher who would normally start.
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.