slate in WordNet English dictionary

1. (formerly) a writing tablet made of slate
   slate 
   
2. a list of candidates nominated by a political party to run for election to public offices
   slate  ticket 
   
3. a fine-grained metamorphic rock that can be split into thin layers
   slate 
   
4. thin layers of rock used for roofing
   slate  slating 
   

1. designate or schedule
   "He slated his talk for 9 AM"; "She was slated to be his successor"
   slate 
   
2. cover with slate
   "slate the roof"
   slate 
   
3. enter on a list or slate for an election
   "He was slated for borough president"
   slate