survey by creschooldev | Jun 23, 2017 survey The process by which boundaries are measured and land areas are determined; the on-site measurement of lot lines, dimensions, and positions of buildings on a lot, including the determination of any existing encroachments or easements. Related Articles: Glossary: base lineGlossary: correction linesGlossary: fractional sectionsGlossary: government lotGlossary: legal description