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- water meadows
- water-meadows
- watermeadows
- watermelon
- watermelon
- watermelons
- water-meter
- water meter
- watermeter
- watermill
- watermills
- water on the brain
- water on the brain/knee
- water on the knee
- water-park
- water park
- waterpark
- water-pipe
- water pipe
- waterpipe
- water-pipes
- waterpipes
- water-pistol
- water pistol
- waterpistol
- 鲜红
- 鲜绿
- 鲜美
- 鲜肥
- 鲜脆
- 鲜艳
- 鲜艳夺目
- 鲜花
- 鲜菜
- 鲜蘑
- 鲜血
- 鲜血淋漓
- 鲜衣怒马
- 鲜衣美食
- 鲜见
- 鲜货
- 鲜蹦活跳
- 鲜酱油
- 鲜酵母
- 鲜醇
- 鲜销
- 鲜香
- 鲜鱼
- 鲜黄
- 鲝