A desman; a member of the genus Myogale. See cut under desman.(noun)
The duck-mole, or duck-billed platypus, Ornithorhynchus paradoxus. See cut under duckbill.(noun)
The Century Dictionary (Public Domain)
Use "water-mole" in a sentence
"The water-mole also abounds in all the rivers and ponds."
"The guest had little difficulty, in recognising the uncouth form of the ornithorhynchus, or water-mole; but he turned with yet more eagerness, towards the spot, whence that shot had proceeded."
"There is no danger of my obtaining her, "he added, with a grim smile," for he hates me like a water-mole."