Definition of mortar board noun from the Oxford Advanced Learner's Dictionary


mortar board

BrE BrE//ˈmɔːtə bɔːd//
; NAmE NAmE//ˈmɔːrtər bɔːrd//
Exams and degrees
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a black hat with a stiff square top, worn by some university teachers and students at special ceremonies compare cap See related entries: Exams and degrees