Muskrat

Part of speech: noun (n.)

1. A North American aquatic fur-bearing rodent (Fiber zibethicus). It resembles a rat in color and having a long scaly tail, but the tail is compressed, the bind feet are webbed, and the ears are concealed in the fur. It has scent glands which secrete a substance having a strong odor of musk. Called also musquash, musk beaver, and ondatra.

2. The musk shrew.

3. The desman.