Submitted by György Chityil ... on Sat, 01/20/2018 - 00:57 Hierarchy: NounDescription: {{cartography}} The edges of a map, as shown in a map index, used to define each sheet's extent.Ngram: sheetlineNgram Text: sheetlineSource: WiktionaryIssue: 0Wiktionary tag: cartographyNgram Count: 1