Submitted by György Chityil ... on Fri, 01/19/2018 - 22:28 Hierarchy: NounDescription: {{geometry}} A plane figure formed by removing a parallelogram from a corner of a larger parallelogram.Ngram: gnomonNgram Text: gnomonSource: WiktionaryIssue: 0Wiktionary tag: geometryNgram Count: 1