Definition
| • | To plunge into water head foremost; to thrust the body under, or deeply into, water or other fluid. |
| • | Fig.: To plunge or to go deeply into any subject, question, business, etc.; to penetrate; to explore. |
| • | To plunge (a person or thing) into water; to dip; to duck. |
| • | To explore by diving; to plunge into. |
| • | A plunge headforemost into water, the act of one who dives, literally or figuratively. |
| • | A place of low resort. |
