American Dictionary

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Definition opener in American English

opener noun

[countable] noun
/ˈoʊp(ə)nər/
1

a tool or machine that is used for opening something

Example

a letter opener

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2

the first game in a sports season or in a competition consisting of several games

Example

the season opener

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2.1

the first goal scored in a game

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2.2

the first act in a performance that has several acts

Synonyms and related words
Definition opener in American English