wind down phrasal verb ( see also ↑ wind )
1 . wind something ↔ down to gradually reduce the work of a business or organization so that it can be closed down completely
2 . to rest and relax after a lot of hard work or excitement:
I find it difficult to wind down after a day at work.
3 . wind something ↔ down British English to make something, especially a car window, move down by turning a handle or pressing a button