mortarboard
From Longman Dictionary of Contemporary EnglishCollegemortarboardmor‧tar‧board /ˈmɔːtəbɔːd $ ˈmɔːrtərbɔːrd/ noun [countable]
SECa black cap with a flat square top worn by members of some universities on formal occasions
SECa black cap with a flat square top worn by members of some universities on formal occasions- ten five minutes etc slow
- ten gallon hat
- Ten Green Bottles
- ten minutes a weeks worth etc of
- ten minutes hours etc late
- ten minutes minutes etc slow
- ten minutes worth weeks worth etc of
- ten minutes' a week's worth etc of
- ten minutes' worth week's worth etc of
- ten minutes/five minutes etc slow
- ten minutes/two hours etc late
- ten minutes’ worth/a week’s worth etc of something
- Ten O'Clock News
- Ten O'Clock News, the
- Ten OClock News
- ten out of ten
- ten pence etc piece
- ten pence/50-cent etc piece
- ten pounds 500 worth etc of
- ten pounds worth worth etc of
- ten pounds' 500 worth etc of
- ten pounds' worth worth etc of
- ten pounds’ worth/$500 worth etc of something
- ten speed etc
- ten spot etc