plunger

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. someone who risks losses for the possibility of considerable gains
• Syn:
speculator
• Derivationally related forms:
speculate (for: speculator)
• Hypernyms:
adventurer, venturer, gambler
• Hyponyms:
hedger, operator, scalper, venture capitalist
2. hand tool consisting of a stick with a rubber suction cup at one end;
used to clean clogged drains
• Syn:
plumber's helper
• Derivationally related forms:
plunge
• Hypernyms:
hand tool
3. mechanical device that has a plunging or thrusting motion
• Syn:
piston
• Derivationally related forms:
plunge
• Hypernyms:
mechanical device
• Part Holonyms:
reciprocating engine
• Part Meronyms:
piston ring, piston rod
4. someone who dives (into water)
• Syn:
diver
• Derivationally related forms:
plunge, dive (for: diver)
• Hypernyms:
swimmer

• Từ đồng nghĩa / Synonyms:
  piston, plumber's helper, diver, speculator