cocked hat(n = noun.artifact) - hat with opposing brims turned up and caught together to form points;
is a kind of chapeau, hat, lid
has particulars: bicorn, bicorne, tricorn, tricorne

bad hat, billycock hat, bishop's hat, bowler hat, brass hat, campaign hat, cavalier hat, church hat, cowboy hat, derby hat, dress hat, felt hat, fur hat, gainsborough hat, go off half cocked, half cocked, hard hat, hat, hat shop, hat trick, high hat, iron hat, mexican hat, old hat, opera hat, panama hat, picture hat, pith hat, plug hat, porkpie hat, safety hat, service hat, shovel hat, silk hat, slouch hat, straw hat, sun hat, ten-gallon hat, tin hat, top hat, woman's hat