1. A person who enjoys being in or on the water
   - water dog 
2. Common large Eurasian vole
   - water vole, Arvicola amphibius 
3. Any of various amphibious rats

Derived forms: water rats

Type of: crewman, field mouse, gnawer, rodent, sailor, vole

Part of: Arvicola, genus Arvicola

Encyclopedia: Water rat

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