Plunger - Definition
plunger
n 1: someone who risks losses for the possibility of
considerable gains [syn: speculator, plunger]
2: someone who dives (into water) [syn: diver, plunger]
3: hand tool consisting of a stick with a rubber suction cup at
one end; used to clean clogged drains [syn: plunger,
plumber's helper]
4: mechanical device that has a plunging or thrusting motion
[syn: piston, plunger]