Black's Law Dictionary (2nd edition)dictionaries

Plottage

A term used in appraising land values and particularly in emlnent domain proceedings, to designate the addltlon* al value glven to city lots by the fact that they are contiguous, whlch enables the owner to utilize them as large blocks of land. See In re Armory Board, 73 App. Dlv. 152, 76

Source: Black's Law Dictionary 2nd Ed (1910)