Submitted by György Chityil ... on Fri, 01/19/2018 - 21:46 Hierarchy: NounDescription: {{architecture}} a symmetrical shape which forms the overall outline of four partially-overlapping circles of the same diameter.Ngram: quatrefoilNgram Text: quatrefoilSource: WiktionaryIssue: 0Wiktionary tag: architectureNgram Count: 1