Submitted by György Chityil ... on Fri, 01/19/2018 - 18:37 Hierarchy: NounDescription: {{context|geometry|British}} A four-sided polygon with two sides parallel; a trapezoid (modern sense)Ngram Text: trapeziumSource: WiktionaryIssue: 0Wiktionary tag: geometryNgram Count: 1Wikokit WikiText ID: 1344615