LEARNit Dictionary
mortar board
noun
/ˈmɔːtə bɔːd/
UK
/ˈmɔːrtər bɔːrd/
US
1
a black hat with a stiff square top, worn by some university teachers and students at special ceremonies
کلاه فارغالتحصیلی, کلاه چهارگوش, کلاه جشن فارغالتحصیلی
compare
cap