caliber

cal-i-ber · noun

imported

Definitions

noun

  1. 1.

    The internal diameter of a gun barrel or the diameter of a bullet or shell.

  2. 2.

    The quality or level of someone's ability or the standard of something.

  3. 3.

    The diameter of a round or cylindrical body, especially a tube or pipe.

Forms

plural: calibers

Phrases & expressions

  • of high caliber — of excellent quality
  • of that caliber — of that level or standard

Related words

Etymology

From French calibre, from Italian calibro, possibly from Arabic qalib ("mold, form, last") or from Greek kalopodion ("shoemaker's last"). Originally referred to the size of a bullet or bore of a firearm.