What does "dive" mean?

Dive: Fig.: To plunge or to go deeply into any subject, question, business, etc.; to penetrate; to explore. South.

Additional senses

  1. 2.To plunge (a person or thing) into water; to dip; to duck. [Obs.] Hooker.
  2. 3.To explore by diving; to plunge into. [R.] The Curtii bravely dived the gulf of fame. Denham. He dives the hollow, climbs the steeps. Emerson.
  3. 4.A plunge headforemost into water, the act of one who dives, literally or figuratively.
  4. 5.A place of low resort. [Slang] The music halls and dives in the lower part of the city. J. Hawthorne.

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