dive

Noun

• a steep nose-down descent by an aircraft

• a headlong plunge into water

• a cheap disreputable nightclub or dance hall

Verb

• swim under water
  • the children enjoyed diving and looking for shells
    

• plunge into water
  • I was afraid to dive from the board into the pool
    

• drop steeply
  • the stock market plunged
    

Related words

• Synonyms: 
  nose dive , nosedive , diving , honkytonk , plunge , plunk