BLACKBOARD

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

Sheet of slate; for writing with chalk

Synonyms:

blackboard; chalkboard

Classified under:

Nouns denoting man-made objects

Hypernyms ("blackboard" is a kind of...):

flat solid; sheet (a flat artifact that is thin relative to its length and width)

Credits