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blackboard

1 ENTRIES FOUND:
blackboard /ˈblækˌboɚd/ noun
plural blackboards
blackboard
/ˈblækˌboɚd/
noun
plural blackboards
Britannica Dictionary definition of BLACKBOARD
[count]
: a smooth, dark surface that is used for writing on with chalk in a classroom
called also (chiefly US) chalkboard