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Pronunciation varies by accent · noun
A rectangular board, with a handle, on which mortar or plaster is carried: a hawk..
Use mortarboard when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Mortarboard means A rectangular board, with a handle, on which mortar or plaster is carried: a hawk..
Common synonyms include hawk, cap.
The opposite depends on the specific sense.
Use mortarboard where its definition matches the intended context.
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