Submitted by György Chityil ... on Fri, 01/19/2018 - 17:08 Hierarchy: NounDescription: {{US|euphemistic}} {{alternative spelling of|broken arrow|nodot=1}}, a nuclear accident.Ngram: Broken ArrowNgram Text: Broken ArrowSource: WiktionaryIssue: 0Wiktionary tag: euphemisticalternative spelling ofnodot=1Ngram Count: 2