slate

Short definition from Wiktionary

Noun

1. 1
   A fine-grained homogeneous sedimentary rock composed of clay or volcanic ash which has been metamorphosed so that it cleaves easily into thin layers.
2. 2
   The bluish-grey colour of most slate.
3. 3
   A chalkboard, sheet of slate for writing on with chalk or with a thin rod of slate (a slate pencil) formerly commonly used by both students and teachers in schools.
4. 4
   A roofing-tile made of slate.
5. 5
   A record of money owed.
6. 6
   A list of affiliated candidates for an election.
7. 7
   A schedule.
8. 8
   A collection of movie releases in a certain period, either from one studio or Hollywood as a whole.
9. 9
   An artificial material resembling slate and used for the same purposes.
10. 10
    A thin plate of any material; a flake.
11. 11
    A tablet computer.
12. 12
    A clapperboard.

Adjective

1. 1
   Having the bluish-grey/gray colour of slate.

Verb

1. 1
   To cover with slate.
2. 2
   To criticise harshly.
3. 3
   To schedule.
4. 4
   To anticipate or strongly expect.
5. 5
   To set a dog upon (a person).
6. 6
   To nominate, appoint, or designate.
7. 7
   To record a synchronization mark using a clapperboard.
8. 8
   To bet heavily against (a contender in a race).

Proper noun

1. 1
   A surname.