Meaning of SLATE in English

I. slate 1 /sleɪt/ BrE AmE noun

[ Date: 1300-1400 ; Language: Old French ; Origin: esclat 'thin piece split off' , from esclater 'to burst, splinter' ]

1 . ROCK [uncountable] a dark grey rock that can easily be split into flat thin pieces

2 . ON A ROOF [countable] especially British English a small piece of slate or similar material that is used for covering roofs SYN tile :

There were several slates missing from the roof.

3 . slate blue/grey a dark blue or grey colour

4 . POLITICS [countable] a list of people that voters can choose in an election, or who are being considered for an important job

5 . FOR WRITING ON [countable] a small black board or a flat piece of slate in a wooden frame, used for writing on in the past

6 . put something on the slate British English old-fashioned to arrange to pay for something later, especially food or drink

⇨ a clean slate at ↑ clean 1 (9)

II. slate 2 BrE AmE verb [transitive usually passive]

1 . British English informal to criticize a book, film etc severely, especially in a newspaper SYN slam :

Doherty’s most recent novel has been slated by the critics.

2 . be slated to do something/be slated for something especially American English

if something is slated to happen, it is planned to happen in the future, especially at a particular time:

He is slated to appear at the Cambridge Jazz Festival next year.

Every house on this block is slated for demolition.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.