Definition of multicalibre in English:

multicalibre

adjective

Firearms
  • Of a gun, piece of artillery, etc.: capable of firing ammunition of several calibres. Also, of ammunition: of several calibres; (in less specific usage) of more than one calibre.

noun

Firearms
  • A multicalibre firearm.

Origin

1980s; earliest use found in Summary of World Broadcasts Part 3: Far East. From multi- + calibre.

Pronunciation

multicalibre

/ˌmʌltɪˈkalɪbə/