bolt

bolt is a Noun

Definition:

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[4] A sliding catch, or fastening, as for a door or gate; the portion of a lock which is shot or withdrawn by the action of the key.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