Cadastral \Ca*das"tral\, a. [F.]

Of or pertaining to landed property.

Cadastral survey, or Cadastral map, a survey, map, or plan on a large scale (Usually 1/2500 of the linear measure of the ground, or twenty-five inches to the mile or about an inch to the acre) so as to represent the relative positions and dimensions of objects and estates exactly; -- distinguished from a topographical map, which exaggerates the dimensions of houses and the breadth of roads and streams, for the sake of distinctness. --Brande & C.

Source: Webster's Revised Unabridged Dictionary (1913)