What does bolt mean?

Looking for the meaning or definition of the word bolt? Here's what it means.

  1. A (usually) metal fastener consisting of a cylindrical body that is threaded, with a larger head on one end. It can be inserted into an unthreaded hole up to the head, with a nut then threaded on the other end; a heavy machine screw.
  2. A sliding pin or bar in a lock or latch mechanism.
  3. A bar of wood or metal dropped in horizontal hooks on a door and adjoining wall or between the two sides of a double door, to prevent the door(s) from being forced open.
  4. (military) A sliding mechanism to chamber and unchamber a cartridge in a firearm.
  5. A small personal-armour-piercing missile for short-range use, or (in common usage though deprecated by experts) a short arrow, intended to be shot from a crossbow or a catapult.
  6. A lightning spark, i.e., a lightning bolt.
  7. A sudden event, action or emotion.
  8. A large roll of fabric or similar material, as a bolt of cloth.
  9. (nautical) The standard linear measurement of canvas for use at sea: 39 yards.
  10. A sudden spring or start; a sudden leap aside.
  11. A sudden flight, as to escape creditors.
  12. (politics) A refusal to support a nomination made by the party with which one has been connected; a breaking away from one's party.
  13. An iron to fasten the legs of a prisoner; a shackle; a fetter.
  14. A burst of speed or efficiency.
  1. To connect or assemble pieces using a bolt.
  2. To secure a door by locking or barring it.
  3. (intransitive) To flee, to depart, to accelerate suddenly.
  4. (transitive) To cause to start or spring forth; to dislodge (an animal being hunted).
  5. To strike or fall suddenly like a bolt.
  6. (intransitive) To escape.
  7. (botany) Of a plant, to grow quickly; to go to seed.
  8. To swallow food without chewing it.
  9. To drink one's drink very quickly; to down a drink.
  10. (politics) To refuse to support a nomination made by a party or caucus with which one has been connected; to break away from a party.
  11. To utter precipitately; to blurt or throw out.
  1. Suddenly; straight; unbendingly.
  1. To sift, especially through a cloth.
  2. To sift the bran and germ from wheat flour.
  3. To separate, assort, refine, or purify by other means.
  4. (law) To discuss or argue privately, and for practice, as cases at law.
  1. A sieve, especially a long fine sieve used in milling for bolting flour and meal; a bolter.
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