devil

Twilly \Twil"ly\, n. [C. {Willy}.] A machine for cleansing or loosening wool by the action of a revolving cylinder covered with long iron spikes or teeth; a willy or willying machine; -- called also {twilly devil}, and {devil}. See {Devil}, n., 6, and {Willy}. --Tomlinson. [1913 Webster]