plunger

Noun
  1. Someone who risks losses for the possibility of considerable gains (synset 110653473)
    is a type of:
    • adventurer, venturer - a person who enjoys taking risks
    • gambler - a person who wagers money on the outcome of games or sporting events
    subtypes:
    • hedger - someone who counterbalances one transaction (as a bet) against another in order to protect against loss
    • operator - a speculator who trades aggressively on stock or commodity markets
    • scalper - someone who buys something and resells it at a price far above the initial cost
    • venture capitalist - a speculator who makes money available for innovative projects (especially in high technology)
    same as: speculator
  2. Someone who dives (into water) (synset 110039131)
    is a type of: swimmer - a trained athlete who participates in swimming meets
    same as: diver
  3. Hand tool consisting of a stick with a rubber suction cup at one end;
    Used to clean clogged drains (synset 103976514)
    is a type of: hand tool - a tool used with workers' hands
    same as: plumber's helper
  4. Mechanical device that has a plunging or thrusting motion (synset 103955226)
    is a type of: mechanical device - mechanism consisting of a device that works on mechanical principles
    has:
    • piston ring - seal consisting of a split metal ring that seals the gap between a piston and the cylinder wall
    • piston rod - connecting rod that moves or is moved by a piston
    is a part of: reciprocating engine - an internal-combustion engine in which the crankshaft is turned by pistons moving up and down in cylinders
    same as: piston

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