Noun

(en noun)

A device that opens something; specifically a tin-opener/can-opener, or a bottle opener.

(card games) The player who starts the betting.

(card games) (in plural openers ) Cards of sufficient value to enable a player to open the betting.

(theater) The first act in a variety show.

(Islam) Fatiha

(cricket) A batsman who normally plays in the first two positions of an innings.

(colloquial) The first in a series of events, items etc.; the first remark or sentence of a conversation.

(sports) The first game played in a competition

* {{quote-news

, year=2011 , date=Septembe 24 , author=Ben Dirs , title=Rugby World Cup 2011: England 67-3 Romania , work=BBC Sport citation , page= , passage=England were on the scoreboard after only one minute, Wilkinson, who missed five penalties in his side's opener against the Pumas, knocking over a three-pointer from bang in front, despite boos from the crowd.}}

(sports) The first goal or point scored.

* {{quote-news

, year=2011 , date=January 15 , author=Saj Chowdhury , title=Man City 4 - 3 Wolves , work=BBC citation , page= , passage=The opener came from a Jarvis ball which struck Aleksandar Kolarov en route to a lively round of pinball between City players before it was poked in by Milijas.}}