Final answer:
a) Cozy
A 'cozy' is the name for a cover that insulates a teapot to keep the tea warm. It serves a practical purpose and is also often used as a decorative kitchen item.
Step-by-step explanation:
The comfortable-sounding name for the fuzzy item seen on a teapot is cozy. A 'cozy' is a cover used to insulate a teapot, keeping the contents warmer for longer periods of time. These attractive accessories come in various styles, materials, and designs. They often function as both practical items to retain heat and decorative pieces for the kitchen or dining room. While they can be knitted, quilted, or made from a number of other materials, the purpose remains consistent: to maintain the temperature of the tea.