Dictionary definition · dive
noun
- a cheap disreputable nightclub or dance hall
- a headlong plunge into water
- a steep nose-down descent by an aircraft
verb
- drop steeply"the stock market plunged"
- plunge into water"I was afraid to dive from the board into the pool"
- swim under water"the children enjoyed diving and looking for shells"
Source: Open English WordNet (CC BY 4.0).