bolt /ˈbolt/
 門閂,螺釘,篩子,閃電,意外事件(vt.)閂住,發射,脫口而出,篩


 bolt
 螺栓


 BOLT
 同步器


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 A sliding catch, or fastening, as for a door or gate; the portion of a lock which is shot or withdrawn by the action of the key.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


 Bolt 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.
    [He] 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.]


 Bolt, 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.


 Bolt, v. t. [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.
    Ill schooled in bolted language.   --Shak.
 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.
    This bolts the matter fairly to the bran.   --Harte.
    The report of the committee was examined and sifted and bolted to the bran.   --Burke.


 Bolt, n. A sieve, esp. a long fine sieve used in milling for bolting flour and meal; a bolter.

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 bolt
      n 1: a discharge of lightning accompanied by thunder [syn: thunderbolt,
            bolt of lightning]
      2: a sliding bar in a breech-loading firearm that ejects an
         empty cartridge and replaces it and closes the breech
      3: the part of a lock that is engaged or withdrawn with a key
         [syn: deadbolt]
      4: the act of moving with great haste; "he made a dash for the
         door" [syn: dash]
      5: a roll of cloth or wallpaper of a definite length
      6: a screw that screws into a nut to form a fastener
      7: a sudden abandonment (as from a political party)
      adv 1: in a rigid manner; "the body was rigidly erect"; "ge sat
             bolt upright" [syn: rigidly, stiffly]
      2: directly; "he ran bang into the pole"; "ran slap into her"
         [syn: bang, slap, slapdash, smack]
      v 1: move or jump suddenly; "She bolted from her seat"
      2: secure or lock with a bolt; "bolt the door" [ant: unbolt]
      3: swallow hastily
      4: run away; usually includes taking something or somebody
         along [syn: abscond, absquatulate, decamp, run off,
          go off]
      5: leave suddenly and as if in a hurry; "The listeners bolted
         when he discussed his strange ideas"; "When she started to
         tell silly stories, I ran out" [syn: run off, run out,
          bolt out, beetle off]
      6: eat hastily without proper chewing; "Don't bolt your food!"
         [syn: gobble]
      7: make or roll into bolts; "bolt fabric"