crash-dive

Meanings

1. 1
   noun An emergency maneuver by a submarine in which it suddenly descends, especially to considerable depth, usually in order to escape an attack or to avoid a collision.
2. 2
   noun A rapid descent by a person or thing ending in a violent collision.
3. 3
   verb (often hyphenated, submarine operation) To perform a crash dive.
4. 4
   verb (often hyphenated, submarine operation) To cause (a submarine) to perform a crash dive.
5. 5
   verb (often hyphenated) To rapidly descend, intentionally or accidentally, in a manner that ends in a violent collision.
6. 6
   verb (often hyphenated) To rapidly descend, in a manner that ends in a violent collision with (something).
7. 7
   verb (often hyphenated) To cause (something) to descend rapidly, in a manner that ends in a violent collision.