Meaning of “stain” - Learner’s Dictionary


verb uk us /steɪn/
MARK [ I, T ]

to leave a dirty mark on something that is difficult to remove, or to become dirty in this way:

That wine I spilt has stained my shirt.
Avoid light carpets because they stain easily.

to paint a wooden surface with a thin paint in order to change its colour:

She stained the bookcase to match the desk.

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