Jumping headfirst into a body of liquid

verb

1. To plunge into water intentionally and especially headfirst
2. Submerge

   "the submarine dived"

3. To come or drop down precipitously plunge

   "the temperature is diving"

4. To plunge one's hand into something

   "dived into his pocket"

5. To descend in a dive
6. To plunge into some matter or activity

   "she dove into her studies"

7. To plunge or dash for some place

   "diving for cover"

8. To thrust into something

   "diving one's hands into the icy water"

9. To cause to dive

   "dive a submarine"

noun

1. Any of various predatory aquatic beetles (family Dytiscidae) that breathe while submerged using air trapped under their elytra

noun

1. A diving apparatus consisting of a container open only at the bottom and supplied with compressed air by a hose

noun

1. Springboard

noun

1. Any of various ducks (such as a bufflehead) that frequent deep waters and obtain their food by diving

noun

1. A waterproof suit with a removable helmet that is worn by a diver who is supplied with air pumped through a tube

noun

1. The practice of searching through public trash receptacles for edible food or discarded items that retain some use or value

   "When he talks about his experiment in dumpster diving, Ferrell emphasizes that he had advantages that most people who scrounge for a living do not—his own house, a pickup truck, and a wife with a job."

noun

1. The sport of diving and swimming beneath the surface of water especially to considerable depth without a portable breathing device and typically with a face mask and one or two flippers

   "That's the essence of free diving, a sport defined by lung capacity and physical endurance. Taken broadly, "free diving" encompasses everything from floating face down in a swimming pool … to plunging more than 500 feet on a weighted sled … ."

noun

1. The sport or activity of swimming underwater using scuba gear

   "… this watch is resistant to water up to 200 meters, suitable for scuba diving."

noun

1. The activity or sport of swimming beneath the surface of the water especially at considerable depth without a portable breathing device free diving