types:
cap
a tight-fitting headdress
chapeau,
hat,
lid
headdress that protects the head from bad weather; has shaped crown and usually a brim
helmet
a protective headgear made of hard material to resist blows
hood
a headdress that protects the head and face
kaffiyeh
an Arab headdress consisting of a square piece of cloth folded into a triangle and fastened over the crown by an agal
miter,
mitre
a liturgical headdress worn by bishops on formal occasions
topknot
headdress consisting of a decorative ribbon or bow worn in the hair
turban
a traditional Muslim headdress consisting of a long scarf wrapped around the head
wimple
headdress of cloth; worn over the head and around the neck and ears by medieval women
Balmoral,
bluebonnet
a brimless dark blue Scottish cap with a flat top and a plume on one side
beret
a cap with no brim or bill; made of soft cloth
biggin
a child's tight-fitting cap; often ties under the chin
calash,
caleche
a woman's large folded hooped hood; worn in the 18th century
calpac,
calpack,
kalpac
a high-crowned black cap (usually made of felt or sheepskin) worn by men in Turkey and Iran and the Caucasus
campaign hat
a broad-brimmed felt hat with a high crown; formerly worn by the United States Army and Marine personnel
slouch hat
a soft felt hat with a wide flexible brim
cocked hat
hat with opposing brims turned up and caught together to form points
cowl
a loose hood or hooded robe (as worn by a monk)
crash helmet
a padded helmet worn by people riding bicycles or motorcycles; protects the head in case of accidents
crown,
diadem
an ornamental jeweled headdress signifying sovereignty
deerstalker
a tight-fitting hat with visors front and back; formerly worn by hunters
fez,
tarboosh
a felt cap (usually red) for a man; shaped like a flat-topped cone with a tassel that hangs from the crown
football helmet
a padded helmet with a face mask to protect the head of football players
Glengarry
a Scottish cap with straight sides and a crease along the top from front to back; worn by Highlanders as part of military dress
kalansuwa
a cap that is wrapped around by a turban and worn by Muslim religious elders
liberty cap
close-fitting conical cap worn as a symbol of liberty during the French Revolution and in the U.S. before 1800
mobcap
large high frilly cap with a full crown; formerly worn indoors by women
mortarboard
an academic cap with a flat square with a tassel on top
pinner
a woman's cap with two long flaps pinned on
shovel hat
a stiff broad-brimmed hat with the brim turned up at the sides and projecting in front; worn by some clergymen in Britain
shower cap
a tight cap worn to keep hair dry while showering
skullcap
rounded brimless cap fitting the crown of the head
sombrero
a straw hat with a tall crown and broad brim; worn in American southwest and in Mexico
sou'wester
waterproof hat with wide slanting brim longer in back than in front
space helmet
a helmet worn by astronauts while in outer space
sun hat,
sunhat
a hat with a broad brim that protects the face from direct exposure to the sun
tiara
a jeweled headdress worn by women on formal occasions
titfer
a hat (Cockney rhyming slang: `tit for tat' rhymes with `hat')
toque
a tall white hat with a pouched crown; worn by chefs
watch cap
a knitted dark blue wool cap worn by seamen in cold or stormy weather
wishing cap
a magical cap that secures whatever one wishes for