Definition of: dive

(dīv) v. dived (U.S. Colloq. dove), dived, div·ing v.i.
1. To plunge, usually headfirst, into water, etc.
2. To submerge, as a submarine.
3. To plunge the body, hand, or an object into something, usually so as to obtain a part: He dived into the candy.
4. To enter suddenly or abruptly: He dived into the forest.
5. To descend at a steep angle and at high speed: The hawk dived toward the earth.
6. To work under water as a diver.
7. To become engrossed or deeply involved: to dive into politics.
—v.t.
8. To thrust or plunge (the body, hand, or an object) into something.
9. To cause (an airplane) to descend at a steep angle.
—noun
1. A plunge headforemost into or as into water.
2. A steep downward plunge of an airplane.
3. Colloq. A disreputable resort; den. [Blend of OE dūfan dive and dӯfan immerse]