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Adjective: 45
  1. Being five more than forty
    - forty-five, xlv
Adjective: .45 calibre
Usage: Brit, Cdn (US: .45 caliber)
  1. Of or relating to the bore of a gun (or its ammunition) that measures forty-five hundredths of an inch in diameter
    "He carried a .45 calibre pistol"; "The .45-calibre ammunition was stored separately"; "He carried a .45-calibre pistol"; "He carried a .45 calibre pistol";
    - .45 caliber [US], .45-caliber [US], .45-calibre [Brit, Cdn]

See also: cardinal

Encyclopedia: 45, 48 and 49 Stirling Road