Definitions for "Catchment"
A surface of ground on which water may be caught and collected into a reservoir.
a) A catching or collecting of water, especially rainwater. b) A structure, such as a basin or reservoir, used for collecting or draining water. c) The amount of water collected in such structure. d) A catchment area.
The land area which drains into a particular watercourse (river, stream or creek) and is a natural topographic division of the landscape. Underlying geological formations may alter the perceived catchment area suggested solely by topography (limestone caves are an example of this).
a basic unit of landscape particularly for investigations of hydrologic processes
a convenient unit for considering these processes
Keywords:  inner, see
See Catchment (Inner).