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.

2. (Railroad) Running without control; running along the line without a train; as, a wild-cat locomotive.

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.

2. (Railroad) Running without control; running along the line without a train; as, a wild-cat locomotive.