blackboard

/ˈblækbɔːd/noun

A big dark board, often made of slate, that people write on with chalk and wipe clean afterwards.

Example sentence

“The teacher wrote the homework assignment on the blackboard.”

American English also says "chalkboard". The word is fading as classrooms switch to whiteboards and screens.

Related words

whiteboardA board with a smooth white surface that you write on with erasable markers and can wipe clean afterward.gymnasiumA big hall or building designed for playing indoor sports and doing exercise.projectorA machine that shines light to display pictures or video on a screen or wall.laboratoryA room or building set up with special equipment for scientific experiments, research, or testing.globeThe world we live on; the planet Earth.auditoriumThe part of a theater or hall where the audience sits.