DRAIN


Meaning of DRAIN in English

(1) To draw of (a liquid) by a gradual process. (2) A buried pipe or other conduit (closed drain) for the conveyance of surplus groundwater. (3) A ditch (open drain) for carrying off surplus surface water or groundwater. (4) A system to control water tables near the ground surface to maintain levels at or below specified depths.

Environmental engineering English vocabulary.      Английский словарь экологического инжиниринга.