Definitions
1.nounA jump or plunge into water."the dive of a hawk after prey"
2.nounA headfirst jump toward the ground or into another substance.
3.nounA downward swooping motion.
4.nounA swim under water.
5.nounA decline.
6.nounA seedy bar, nightclub, etc.
7.nounAerial descent with the nose pointed down.
8.nounA deliberate fall after a challenge.
9.verbTo swim under water.
10.verbTo jump into water head-first.
11.verbTo jump headfirst toward the ground or into another substance."to dive into home plate"
12.verbTo descend sharply or steeply.
13.verb(especially with in) To undertake with enthusiasm."She dove right in and started making improvements."
14.verbTo deliberately fall down after a challenge, imitating being fouled, in the hope of getting one's opponent penalised.
15.verbTo cause to descend, dunk; to plunge something into water.
16.verbTo explore by diving; to plunge into.
17.verbTo plunge or to go deeply into any subject, question, business, etc.; to penetrate; to explore.