From Longman Dictionary of Contemporary Englisharmourerar‧mour‧er British English, armorer American English /ˈɑːmərə $ ˈɑːrmərər/ noun [countable] PMWBOsomeone who makes or repairs weapons and armour
Examples from the Corpus
armourer• He was assigned to me as armourer and tail gunner.• He found him sitting in his canvas chair beside a brazier, drinking Guinness with the chief armourer.• The adjutant found Woolley with the armourer, checking ammunition before he allowed his machine-gun drums to be filled.