Submitted by György Chityil ... on Fri, 01/19/2018 - 20:39 Hierarchy: NounDescription: {{surveying}} A measurement of a previously shot point, used to set the angle to zero when occupying a new position.Ngram: backsightNgram Text: backsightSource: WiktionaryIssue: 0Wiktionary tag: surveyingNgram Count: 1