The term 'A Breed of Sheep with Long Fine Wool' can be summarized by the word MERINO (6 letters). MERINO is a breed of sheep that is widely regarded as having some of the finest and softest wool of any sheep. It is prized for its long, fine fibers which are used to make high-quality clothing and other textiles. MERINO sheep are also known for their hardiness and adaptability, making them popular among farmers and ranchers.