Submitted by György Chityil ... on Fri, 01/19/2018 - 20:48 Hierarchy: NounDescription: The part of a cannon or other firearm behind the chamber. {{defdate|from 16th c.}}Ngram: breechNgram Text: breechSource: WiktionaryIssue: 0Wiktionary tag: from 16th c.Ngram Count: 1