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1. Someone who works underwater
   - frogman, underwater diver
    
2. Someone who dives (into water)
   - plunger
    
3. Large somewhat primitive fish-eating diving bird of the northern hemisphere having webbed feet placed far back; related to the grebes
   - loon

Derived forms: divers

See also: dive

Type of: adventurer, explorer, gaviiform seabird, swimmer

Part of: Gavia, genus Gavia

Encyclopedia: Diver