MORTARBOARD


Meaning of MORTARBOARD in English

mor ‧ tar ‧ board /ˈmɔːtəbɔːd $ ˈmɔːrtərbɔːrd/ BrE AmE noun [countable]

a black cap with a flat square top worn by members of some universities on formal occasions

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.