water-dog
Wa"ter dog`. 1. (Zoöl.) Defn: A dog accustomed to the water, or trained to retrieve waterfowl. Retrievers, waters spaniels, and Newfoundland dogs are so trained. 2. (Zoöl.) Defn: The menobranchus. 3. A small floating cloud, supposed to indicate rain. 4. A sailor, esp. an old sailor; an old salt. [Colloq.]