(n) (1) mortarboard
trencher
(2) (square) academic cap formerly word by Japanese university students
(n) school cap
(n) military cap
(n) regulation cap
school cap
(n) cap of a uniform
(n) redcap
porter
(n,vs) removing one's hat
(n,vs) putting on one's hat
(n) helmet liner
(n) helmet
(n) hat
cap
(P)
(n) cap badge
(n,adj-no) bare-headed
uncovered head
(n) ordinary cap
(n) ceremonial hat
(n) hard hat
(n) space helmet
(n) black-lacquered headgear (made of silk, cloth or paper) originally worn by court nobles in ancient Japan, and afterwards spreading to the common people
(n) summer hat
straw hat
(n) bathing cap
swimcap
(n) school cap
(n) three-cornered hat
tricorne
(n) (uk) kousa dogwood (Cornus kousa)
benthamidia japonica
(n) swimming or bathing cap
(n) field cap (used by Japanese troops in WW II)
(n) trapezius muscle
(n) mitral valve (of heart)
bicuspid valve
(n) felt hat
(n) (hunting) cap
(n) climber's hat