1. (noun) someone who works underwater

• frogman
• underwater diver

2. (noun) someone who dives (into water)

• plunger

3. (noun) large somewhat primitive fish-eating diving bird of the northern hemisphere having webbed feet placed far back; related to the grebes

• loon

1. (noun) someone who works underwater

• adventurer
• explorer

2. (noun) someone who dives (into water)

• swimmer

3. (noun) large somewhat primitive fish-eating diving bird of the northern hemisphere having webbed feet placed far back; related to the grebes

• gaviiform seabird

1. (noun) someone who works underwater

• deep-sea diver
• pearl diver
• pearler
• scuba diver

1. (noun) large somewhat primitive fish-eating diving bird of the northern hemisphere having webbed feet placed far back; related to the grebes

• gavia
• genus gavia

1. (noun) someone who works underwater

• dive

2. (noun) someone who dives (into water)

• dive
• dump
• plunge
• immerse
• plunge