A knitted cap, such as the one worn by a seaman when on watch.

A cap with a rounded crown and a curved, stiffened bill at the front.

(US) A cap that is not elasticated or adjustable at the back.

Covered with snow at the top, especially of a hill or mountain.

A cap, usually brightly coloured with bells and tassels, as worn by a court jester or fool.

A permanent expanse of ice encompassing a large geographical area, e.g. in Earth's polar zones or at high elevation. [from 19th c.]

From head to toe, especially of armor or other military accoutrements.

A waterproof headgear designed for use in the shower, to avoid wetting the hair.

Any agaric of the family Hygrophoraceae.

(chiefly historical) A plain cap or headdress for women or girls, especially one tied under the chin by a very broad band.