Twĭl'ly or Twĭl'ly-dĕv'il, n.
n. 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. See WILLY. Tomlinson.
n. 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. See WILLY. Tomlinson.