The term 'Type of Weasel' can be answered with the word 'STOAT', which is a five-letter word. A STOAT is a small mammal that belongs to the weasel family and is native to Eurasia and North America. It has a long, slender body and short legs, and its fur changes color depending on the season. In the summer, its fur is reddish-brown, while in the winter it turns white. The STOAT is an agile hunter and feeds mainly on small rodents, birds, and insects. It is also known for its fierce nature and is considered a nuisance by farmers due to its habit of preying on livestock.