Definitions For Plunger

noun

• Mechanical device that has a plunging or thrusting motion
• Hand tool consisting of a stick with a rubber suction cup at one end; used to clean clogged drains
• Someone who dives (into water)
• Someone who risks losses for the possibility of considerable gains
• A tool made of a stick with a rubber cup on the end that is used to clear a blocked pipe in a toilet or sink
• A part that moves up and down usually inside a tube or cylinder (such as a syringe) to push something out