From Longman Dictionary of Contemporary Englishcalibercal‧i‧ber /ˈkæləbə $ -ər/ noun [countable, uncountable] XXthe American spelling of calibre
Examples from the Corpus
caliber• The wounds were caused by a. 22 caliber weapon fired from behind the victims, who were kneeling.• Raven Arms was born, specializing in a. 25 caliber gun George Jennings designed.• Trevor is the rarest of writers who can actually produce both novels and stories of equal caliber.• He's a doctor of the highest caliber.• The man fired a shot from a small caliber handgun while speaking to officers through the closed bedroom door, he said.• There were women murder writers that can tell from the smoke the caliber pistol used.• It was the caliber of work that mattered to Penelope.Origin caliber (1500-1600) French calibre, from Old Italian calibro, from Arabic qalib “block on which shoes are made” 