slate

(formerly) a writing tablet made of slate

thin layers of rock used for roofing

a fine-grained metamorphic rock that can be split into thin layers

a list of candidates nominated by a political party to run for election to public offices

designate or schedule; "He slated his talk for 9 AM"; "She was slated to be his successor"

enter on a list or slate for an election; "He was slated for borough president"

cover with slate; "slate the roof"