- a sudden sharp drop or rapid decline; "the stock took a nosedive"
- plunge nose first; drop with the nose or front first, of aircraft
- dive: a steep nose-down descent by an aircraft
- A headfirst fall or jump; A rapid fall in price or value; To dive down in a steep angle; To perform a rapid fall in price or value
- the plunge of an aircraft with the forward part pointing downward, especially a headfirst crash; also spelled "nose-dive" or "nose dive". See AUGER-IN, PANCAKE, GROUND LOOP, ALUMINUM RAIN, BOUNCE, TOUCHDOWN, ALS, AUTO-ROTATE, CHOPPER, BIRD. ...
- [1^] touches tip of nose and then FT dives down. For a QuickTime movie of this sign, see ASL browser - nosedive.