'Wild-cat' definitions:

Definition of 'Wild-cat'

From: GCIDE
  • Wild-cat \Wild"-cat`\, a.
  • 1. Unsound; worthless; irresponsible; unsafe; -- said to have been originally applied to the notes of an insolvent bank in Michigan upon which there was the figure of a panther. [1913 Webster]
  • 2. (Railroad) Running without control; running along the line without a train; as, a wild-cat locomotive. [1913 Webster] [1913 Webster]