D defs.my
Entry 2 senses Webster, 1913

Wild-cat

· Wild·-cat · IPA
01 a. Unsound; worthless; irresponsible; unsafe; -- said to have been originally applied to the notes of an insolvent bank in Michigan upon which…
  1. 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.
  2. 2.
    Running without control; running along the line without a train; as, a wild-cat locomotive.(Railroad)