Definition of Bolt

Pronunciation: bōlt; 110
n.1.A shaft or missile intended to be shot from a crossbow or catapult, esp. a short, stout, blunt-headed arrow; a quarrel; an arrow, or that which resembles an arrow; a dart.
Look that the crossbowmen lack not bolts.
- Sir W. Scott.
A fool's bolt is soon shot.
- Shak.
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4.A sliding catch, or fastening, as for a door or gate; the portion of a lock which is shot or withdrawn by the action of the key.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.
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.
v. t.1.To shoot; to discharge or drive forth.
[imp. & p. p. Bolted; p. pr. & vb. n. Bolting.]
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; often used with down.
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.
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.
adv.1.In the manner of a bolt; suddenly; straight; unbendingly.
[He] came bolt up against the heavy dragoon.
- Thackeray.
Bolt upright
a - Perfectly upright; perpendicular; straight up; unbendingly erect.
b - On the back at full length.
- Addison.
n.1.A sudden spring or start; a sudden spring aside; as, the horse made a bolt.
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.(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.
v. t.1.
[imp. & p. p. Bolted; p. pr. & vb. n. Bolting.]
1.To sift or separate the coarser from the finer particles of, as bran from flour, by means of a bolter; to separate, assort, refine, or purify by other means.
He now had bolted all the flour.
- Spenser.
2.To separate, as if by sifting or bolting; - with out.
Time and nature will bolt out the truth of things.
- L'Estrange.
3.(Law) To discuss or argue privately, and for practice, as cases at law.
To bolt to the bran
to examine thoroughly, so as to separate or discover everything important.
- Chaucer.
This bolts the matter fairly to the bran.
- Harte.
The report of the committee was examined and sifted and bolted to the bran.
- Burke.
n.1.A sieve, esp. a long fine sieve used in milling for bolting flour and meal; a bolter.

Related Words

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Bologna stone
Bologna vial
Bolognese school
Bolognian stone
Bolster work
Bolt and nut
Bolt auger
Bolt upright
Bolting cloth
Bolting hutch
bomb calorimeter
Bomb chest
Bomb ketch
Bomb lance
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