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Noun: piston  pi-stun
  1. Mechanical device that has a plunging or thrusting motion
    - plunger
Noun: Piston  pi-stun
  1. United States neoclassical composer (1894-1976)
    - Walter Piston

Derived forms: pistons

Type of: composer, mechanical device

Part of: reciprocating engine

Encyclopedia: Piston, Walter Hamor