dive

nouns

a cheap disreputable nightclub or dance hall
a headlong plunge into water
a steep nose-down descent by an aircraft

verbs

drop steeply
"the stock market plunged"
plunge into water
"I was afraid to dive from the board into the pool"
is derived from
is derived from
domain category
sports that involve bodies of water
is a type of (narrower)
sink below the surface; go under or as if under water
swim under water
"the children enjoyed diving and looking for shells"
is derived from
is a type of (narrower)
travel through water
"We had to swim for 20 minutes to reach the shore"; "a big fish was swimming in the tank"