Part 734

2. Lightning; a thunderbolt.

3. A strong pin, of iron or other material, used to fasten or hold something in place, often having a head at one end and screw thread cut upon the other end.

4. A sliding catch, or fastening, as for a door or gate; the portion of a lock which is shot or withdrawn by the action of the key.

5. An iron to fasten the legs of a prisoner; a shackle; a fetter. [Obs.]

Away with him to prison! lay bolts enough upon him. Shak.

6. A compact package or roll of cloth, as of canvas or silk, often containing about forty yards.

7. A bundle, as of oziers.

Bolt auger, an auger of large size; an auger to make holes for the bolts used by shipwrights. -- Bolt and nut, a metallic pin with a head formed upon one end, and a movable piece (the nut) screwed upon a thread cut upon the other end. See B, C, and D, in illust. above.

See Tap bolt, Screw bolt, and Stud bolt.

Bolt, v. t. [imp. & p. p. Bolted; p. pr. & vb. n. Bolting.] 1. To shoot; to discharge or drive forth.

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2. To utter precipitately; to blurt or throw out.

I hate when Vice can bolt her arguments. Milton.

3. To swallow without chewing; as, to bolt food.

4. (U. S. Politics) To refuse to support, as a nomination made by a party to which one has belonged or by a caucus in which one has taken part.

5. (Sporting) To cause to start or spring forth; to dislodge, as conies, rabbits, etc.

6. To fasten or secure with, or as with, a bolt or bolts, as a door, a timber, fetters; to shackle; to restrain.

Let tenfold iron bolt my door. Langhorn.

Which shackles accidents and bolts up change. Shak.

Bolt (blt; 110), v. i. 1. To start forth like a bolt or arrow; to spring abruptly; to come or go suddenly; to dart; as, to bolt out of the room.

This Puck seems but a dreaming dolt, . . . And oft out of a bush doth bolt. Drayton.

2. To strike or fall suddenly like a bolt.

His cloudless thunder bolted on their heads. Milton.

3. To spring suddenly aside, or out of the regular path; as, the horse bolted.

4. (U.S. Politics) To refuse to support a nomination made by a party or a caucus with which one has been connected; to break away from a party.

Bolt, adv. In the manner of a bolt; suddenly; straight; unbendingly.

came bolt up against the heavy dragoon. Thackeray.

Bolt upright. (a) Perfectly upright; perpendicular; straight up; unbendingly erect. Addison. (b) On the back at full length. [Obs.] Chaucer.