Submitted by György Chityil ... on Sat, 01/20/2018 - 00:52 Hierarchy: NounDescription: {{context|geometry}} A catenary-generated curve in the form of a cross-section of a sail filled by wind.Ngram: sail curveNgram Text: sail curveSource: WiktionaryIssue: 0Wiktionary tag: geometryNgram Count: 2