Wooler is a relatively uncommon word that refers to a machine used for carding wool. However, there are several synonyms that can be used in its place depending on the context. For example, a wool carder or wool comb is a more commonly used term in modern usage. Other possible synonyms may include a wool processor or wool processing machine. The key idea behind these various terms is that they refer to a tool or machine used for separating and aligning the fibers of wool in order to prepare it for spinning or other textile production processes.