DRAINAGE


Meaning of DRAINAGE in English

/ ˈdreɪnɪdʒ; NAmE / noun [ U ]

1.

the process by which water or liquid waste is drained from an area :

a drainage system / channel / ditch

The area has good natural drainage.

2.

a system of drains

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.