Definition from Wiktionary, the free dictionary
neatline (plural neatlines)
- (cartography) The innermost line near the edge of a printed map which separates it from the margin.
- The horizontal neatlines were formed by lines of latitude.
- (construction) The line on plan to which a structure is to be built, usually ignoring any small irregularities of the building material.
- The margin of a drawing.
- (cartography): sheetline