caliber

cal·i·ber  (kl-br)

n.

1. 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.

2. Degree of worth; quality: a school of high caliber; an executive of low caliber.

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[French calibre, from Italian calibro, from Arabic qlib, qlab, mold, shoe tree, from Greek klapous, shoemaker's last : klon, wood + pous, foot; see ped- in Indo-European roots.]

Thesaurus

Noun	1.	caliber - a degree or grade of excellence or worth; "the quality of students has risen"; "an executive of low caliber" calibre, quality high quality, superiority - the quality of being superior low quality, inferiority - an inferior quality degree, level, grade - a position on a scale of intensity or amount or quality; "a moderate grade of intelligence"; "a high level of care is required"; "it is all a matter of degree"
	2.	caliber - diameter of a tube or gun barrel calibre, bore, gauge diam, diameter - the length of a straight line passing through the center of a circle and connecting two points on the circumference

Translations

caliber calibre