Meaning of “drain” - Learner’s Dictionary


noun uk us /dreɪn/

[ C ] a pipe or hole that takes away waste liquids or water:

She poured the dirty water down the drain.
a drain on sth

something that uses or wastes a lot of money or energy:

Keeping these people in prison is a huge drain on government finances.

(Definition of “drain noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)