# crash dive
## English
### Alternative forms

* crash-dive

### Pronunciation

* Audio (General Australian):(file)

### Noun

crash dive (plural crash dives)
* (idiomatic, military) An emergency maneuver by a submarine in which it suddenly descends, especially to considerable depth, usually in order to escape an attack or avoid a collision.
** 2000 March 19, Charles M. Cooke, “Letters: Loose Lips, Sinking Ships”, in Washington Post, retrieved 25 October 2015:As the crash dive began at 1:50 p.m., the overboard ventilation valve had not been closed, which resulted in tons of water flooding the submarine.
* A rapid descent by a person or thing, ending in a violent collision.
** 1985 October 4, Mel Gussow, “Theater: Three by Sam Shepard”, in New York Times, retrieved 25 October 2015:In "Icarus's Mother," a skywriter salutes two girls on a beach with the message, "E=MC$^2$," and then swirls into a deadly crash dive.
* (trampoline) Three quarters of a front somersault, beginning on the feet and landing on the back.
** 1990, Trampolining: The Skills of the Game‎:The next routine can be the same as Routine 7 but with the crash dive being replaced with a one-and-three-quarter front somersault tucked (with a tariff of 0.7), making the total tariff 4.8

### Verb

crash dive (third-person singular simple present crash dives, present participle crash diving, simple past crash dived or crash dove, past participle crash dived)
* (intransitive, idiomatic, often hyphenated, submarine operation) To perform a crash dive.
** 2012 October 14, Lorna Inness, “Death on the Caribou”, in ChronicleHerald, Halifax, Canada, retrieved 25 October 2015:Cuthburt turned the Grandmere in time to see the U-69 within yards of his ship. Graf wasted no time in taking evasive action, crash diving and turning, barely escaping the Grandmere’s efforts to ram him.
* (transitive, idiomatic, often hyphenated, submarine operation) To cause (a submarine) to perform a crash dive.
** 2014, Philip Kaplan, Grey Wolves: The U-Boat War, →ISBN, "Sit There and Take It" (Google online preview):
    Siegmann was still obliged to crash-dive the sub three more times to escape twelve more bombs.
* (intransitive, often hyphenated) To rapidly descend, intentionally or accidentally, in a manner that ends in a violent collision.
** 2008, James Richard Snellen, South Pacific at Seventeen, →ISBN, page 48:At 0640 hours, a Japanese suicide plane crash-dove into the USS Gilligan.
* (transitive, often hyphenated) To rapidly descend, in a manner that ends in a violent collision with (something).
** 1945 July 30, John Hersey, “Kamikaze”, in Life, volume 19, number 5, retrieved 28 October 2015, page 70:Twenty-two Jap suicide planes sighted destroyer off Okinawa April 16 and for more than two hours bombed and crash-dived the ship in a wild and apparently unorganized attack.
* (transitive, often hyphenated) To cause (something) to descend rapidly, in a manner that ends in a violent collision.
** 1945 April 23, “World Battlefronts: Divine Tempests”, in Time, retrieved 25 October 2015:[T]he Japanese have organized a suicide corps of flyers whose mission is to crash-dive their explosives-laden aircraft into ships.

### See also

* nosedive
* power dive

### Further reading

* “crash dive”, in OneLook Dictionary Search.