A flat-topped academic hat; a mortarboard.

The plant wolfsbane.

An academic robe and cap with mortarboard.

(informal) Capitol Hill (a neighborhood of Denver, Colorado, United States) / (informal) Capitol Hill (a neighborhood of Seattle, Washington, United States)

plural of cap carbonate

plural of smoking cap

A light ornamental cap shaped like a shallow cylinder, traditionally worn by smokers.

A deerstalker hat.

plural of hunting cap

Alternative form of swimcap