drain

/dreɪn/ n [C]

Definition

› a pipe or channel that carries away waste water or other liquids: She spilled some sugar in the sink and washed it down the drain. › Something that is a drain on you takes away a lot of your energy and makes you tired: Taking care of his sick mother was quite a drain on him. › If something is a drain on your money or something else, it uses a lot of it or makes it weaker: Having two mortgages was a tremendous drain on their resources.

(Definition of drain n from the Cambridge Academic Content Dictionary © Cambridge University Press)