Noun hydraulic brake has 1 sense
  1. hydraulic brake, hydraulic brakes - brake system in which a brake pedal moves a piston in the master cylinder; brake fluid then applies great force to the brake pads or shoes
    --1 is a kind of brake system, brakes
    --1 has parts:
     brake cylinder, hydraulic brake cylinder, master cylinder; brake pedal
    --1 has particulars:
     disk brake, disc brake; drum brake, drum brakes; foot brake
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