Definition of opener-upper in English:

opener-upper

noun

US
informal
  • A person who or thing that opens.

Origin

1940s; earliest use found in Harold Wentworth (b. 1904). From opener + -upper, after to open up.

Pronunciation

opener-upper

/ˌəʊp(ə)nəˈrʌpə//ˌəʊp(ə)nəˈrʌpə/