mortarboard
Word family nounmortarmortarboard
College
mor·tar·board /ˈmɔːtəbɔːd $ ˈmɔːrtərbɔːrd/ noun [countableC] 
SECa black cap with a flat square top worn by members of some universities on formal occasions 学士帽，学位帽 →5 see picture at 见图 hat- auto-immune-disease
- auto immune disease
- auto-immune disease
- automagically
- automaker
- automakers
- automata
- automatable
- automate
- automated
- automated
- a waste of money
- a waste of space
- a waste of time
- a water leak
- a watery grave
- away
- a way forward
- away from prying eyes
- away-in-a-manger
- Away in a Manger
- awayness
- awaynesses
- awe
- a weakness for