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- Tourism-topic Lilo
- Tourism-topic low season
- Tourism-topic low season
- Tourism-topic mecca
- Tourism-topic mecca
- Tourism-topic motel
- Tourism-topic motel
- Tourism-topic motor home
- Tourism-topic motor home
- Tourism-topic mystery tour
- Tourism-topic mystery tour
- Tourism-topic national monument
- Tourism-topic national monument
- Tourism-topic national park
- Tourism-topic national park
- Tourism-topic night porter
- Tourism-topic night porter
- Tourism-topic non-resident
- Tourism-topic non-resident
- Tourism-topic one-star
- Tourism-topic one-star
- Tourism-topic package tour
- Tourism-topic package tour
- Tourism-topic packing
- Tourism-topic packing