blackboard
1. [ noun ] sheet of slate; for writing with chalk
Synonyms: chalkboard
Related terms: sheet
Similar spelling:   Blackbeard
  blackbody
  blackbird
  Blackford
  black_poplar
  Blackfriar
  black_bear
  black_body
  blackcap
  Black_Africa
  Black_Forest
  Black_Friar
  black_apricot
  black_box
  black_fox
  blackball
  Black_African
  blackbuck
  Blackburn
  blackface
  Blackfoot
  black_pea
  Blackpool
  blackberry
  black_book
  black_bass