| Answer | Crossword Clue |
|---|---|
| blackboard | a hard smooth usually dark surface used esp in a classroom for writing or drawing on with chalk |
| blackboards | BLACKBOARD, a hard smooth usually dark surface used esp in a classroom for writing or drawing on with chalk |
| blackboard | A large board with a smooth, typically dark, surface attached to a wall or supported on an easel and used for writing on with chalk, esp. by teachers in schools |
| blackboards | A large board with a smooth, typically dark, surface attached to a wall or supported on an easel and used for writing on with chalk, esp. by teachers in schools |
