dive (
http://definr.com/dive)
n 1: a cheap disreputable nightclub or dance hall [syn:
honkytonk]
2: a headlong plunge into water [syn:
diving]
3: a steep nose-down descent by an aircraft [syn:
nose dive]
v 1: drop steeply; "the stock market plunged" [syn:
plunge,
plunk]
2: plunge into water; "I was afraid to dive from the board into
the pool"
3: swim under water; "the children enjoyed diving and looking
for shells"