1. (noun) a person who enjoys being in or on the water

• water dog

2. (noun) common large Eurasian vole

• arvicola amphibius
• water vole

1. (noun) common large Eurasian vole

• arvicola
• genus arvicola

1. (noun) any of various amphibious rats

• beaver rat

1. (noun) a person who enjoys being in or on the water

• crewman
• sailor

2. (noun) common large Eurasian vole

• field mouse
• vole

3. (noun) any of various amphibious rats

• gnawer
• rodent