chalkboard
nounUK /ˈtʃɔːkbɔːd/
US /ˈtʃɔːkbɔːrd/
A dark board you write on with chalk.
The teacher wrote the math problem on the chalkboard.
OTHER MEANINGS
2. A smooth dark surface used for drawing or displaying information in public places.
The café listed today's specials on a chalkboard by the door.
3. A board used in sports or games for showing scores or plays.
The coach drew the next play on a small chalkboard.
4. A digital or simulated board that mimics a traditional chalkboard in apps and classrooms.
The online lesson used a virtual chalkboard for solving equations.