BOLT (5)

Bolt, n. [[From Bolt, v. i.]] 1. 1. A sudden spring or start; a sudden spring aside; as, the horse made a bolt.
2. 2. A sudden flight, as to escape creditors.
This gentleman was so hopelessly involved that he contemplated a bolt to America — or anywhere. Compton Reade. 3. 3. (U. S. Politics) A refusal to support a nomination made by the party with which one has been connected; a breaking away from one's party.