plunger has definitions from the field of sport
1
[ noun ] someone who gambles extravagantly

Related terms

gambler

2
[ noun ] someone who risks losses for the possibility of considerable gains

Synonyms

speculator

3
[ noun ] hand tool consisting of a stick with a rubber suction cup at one end; used to clean clogged drains

Synonyms

plumber's_helper

Related terms

hand_tool immerse

4
[ noun ] (sport) someone who dives (into water)

Synonyms

diver

Related terms

swimmer plunge

5
[ noun ] mechanical device that has a plunging or thrusting motion

Synonyms

piston

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