Moult is a process in which animals SHED their old or damaged skin, feathers, horns, or other outer layer. The term Moult can be broken down into two crossword solutions: SHED (4 letters) and MEW (3 letters). SHED is defined as a simple roofed structure, typically made of wood, used for storage, shelter, or as a workspace. MEW is defined as the characteristic sound made by a cat. Together, these two words form the term Moult, which describes the process of shedding an outer layer.