# plunger
## Noun (N)
### Sense: someone who risks losses for the possibility of considerable gains
- นักเก็งกำไร
### Sense: someone who dives (into water)
- นักดำน้ำ
- นักประดาน้ำ
### Sense: mechanical device that has a plunging or thrusting motion
- ลูกสูบ