Answer: mortarboard

AnswerCrossword Clue
MORTARBOARDAcademic cap.
MORTARBOARDJune headgear.
MORTARBOARDCommencement wear.
MORTARBOARDPlasterer's accessory.
MORTARBOARDHeadgear
MORTARBOARDGraduate's cap
MORTARBOARDAcademic cap
mortarboardAn academic cap with a stiff, flat, square top and a tassel
mortarboardA small square board with a handle on the underside, used by bricklayers for holding mortar
mortarboarda square-topped college cap