(~s)
In Britain, an ~ is a test which, by law, must be made each year on all road vehicles that are more than 3 years old, in order to check that they are safe to drive.
My car is due for its ~ in two days’ time.
N-COUNT
MOT
Meaning of MOT in English
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012