(idiomatic) A good person; a hero. / (computing, slang) A well-meaning hacker who hacks for a good cause or to aid a company, organization, or government without causing harm. / (slang) A sailor.

A wide-brimmed ventilated sunhat worn in subtropical regions.

Wearing a bowler hat.

An insulating hat with one or more decorative pieces of spherical fluff at the peak.

(idiomatic) A gesture of acknowledgement; often, an expression of gratitude; originally by doffing one's hat.

A broad-brimmed felt hat worn by soldiers, often with a clasp on the left side to allow a rifle to be carried over the shoulder.

Alternative spelling of hat trick

Alternative form of deerstalker hat

Alternative form of coonskin cap

A type of men's headwear, made of cloth with a plaid pattern, having two projecting brims (one at the front and one at the back) and earflaps which can be folded up and tied at the top.