Noun high hat has 2 senses
  1. high-hat cymbal, high hat - cymbals that are operated by a foot pedal
    --1 is a kind of cymbal
  2. dress hat, high hat, opera hat, silk hat, stovepipe, top hat, topper, beaver - a man's hat with a tall crown; usually covered with beaver or silk
    --2 is a kind of hat, chapeau, lid
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