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piston
 
Noun piston has 2 senses
  1. Piston, Walter Piston - United States neoclassical composer (1894-1976)
    --1 is a kind of composer
  2. piston, plunger - mechanical device that has a plunging or thrusting motion
    --2 is a kind of mechanical device
    --2 is a part of reciprocating engine
    --2 has parts: piston ring; piston rod
pistillode pisto pistol-whip pistol pistol grip pistol shrimp pistoleer pistols piston piston chamber piston ring piston rings piston rod piston skirt pistor pistorius pistules

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