'Water shrew' definitions:
Definition of 'water shrew'
(from WordNet)
noun
Any of several small semiaquatic shrews usually living near swift-flowing streams
Definition of 'Water shrew'
From: GCIDE
- Water shrew \Wa"ter shrew`\ (Zool.) Any one of several species of shrews having fringed feet and capable of swimming actively. The two common European species (Crossopus fodiens, and Crossopus ciliatus) are the best known. The most common American water shrew, or marsh shrew (Neosorex palustris), is rarely seen, owing to its nocturnal habits. [1913 Webster]