- Caliber is defined as the diameter size of a bullet.
An example of caliber is a gun that needs a .45 measured bullet.
- The definition of caliber is something’s worth or ability.
An example of caliber is being highly qualified for a job for which you are recommended.
- the size of a bullet or shell as measured by its diameter
- the diameter of the bore of a gun, usually measured in hundredths of inches or in millimeters
- the diameter of a cylindrical body or of its hollowed interior
- degree of worth or value of a person or thing; quality or ability
Origin: French and amp; Spanish ultimately ; from Arabic qālib, a mold, last, ; from Aramaic ; from Classical Greek kalopodion, shoemaker's last, literally , little wooden foot ; from kalon, wood plush pous (gen. podos), foot
Used by arrangement with John Wiley & Sons, Inc.
- Abbr. cal.a. The diameter of the inside of a round cylinder, such as a tube.b. The diameter of the bore of a firearm, usually shown in hundredths or thousandths of an inch and expressed in writing or print in terms of a decimal fraction: .45 caliber.c. The diameter of a large projectile, such as an artillery shell, measured in millimeters or in inches.
- Degree of worth; quality: a school of high caliber; an executive of low caliber.
Origin: French calibre, from Italian calibro, from Arabic qālib, qālab, mold, shoe tree, from Greek kālapous, shoemaker's last : kālon, wood + pous, foot; see ped- in Indo-European roots.
caliber - Medical Definition