- n a square board with a handle underneath; used by masons to hold or carry mortar
- n an academic cap with a flat square with a tassel on top
- Gathering up his notes and books, he tucked his hornrimmed spectacles into the pocket of his tweed jacket and picked up his mortarboard.
- Barack Obama has filled his White House with all sorts of academic prodigies and propeller-heads, a crew more comfortable with the mortarboard than the flag pin.
- A four-cornered soft tarn with a gold tassel replaces the stiff mortarboard.
- Greg Craven in Brisbane Times
Professor Craven said he believed employers would also benefit, as "they want more than a calculator in a mortarboard".