Submitted by György Chityil ... on Fri, 01/19/2018 - 22:00 Hierarchy: NounDescription: {{architecture}} An arch that has a cycloidal shape, the diameter of the circle is half the span of the arch.Ngram: cycloidal archNgram Text: cycloidal archSource: WiktionaryIssue: 0Wiktionary tag: architectureNgram Count: 2