1 [cadastral and land records] A piece or unit of land, defined by a series of measured straight or curved lines that connect to form a polygon.
2 [ESRI software] In Survey Analyst – Cadastral Editor, a group of point, line and polygon features in the cadastral fabric that contain information such as dimensions on the line features, area on the polygon features and other administrative data. Parcels may be used to model lots, blocks, and many other land units.