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1

bolt

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noun \ˈbōlt\

Definition of bolt

  1. 1 a :  a shaft or missile designed to be shot from a crossbow or catapult; especially :  a short stout usually blunt-headed arrow b :  a lightning stroke; also :  thunderbolt

  2. 2 a :  a wood or metal bar or rod used to fasten a door b :  the part of a lock that is shot or withdrawn by the key

  3. 3 :  a roll of cloth or wallpaper of specified length

  4. 4 :  a metal rod or pin for fastening objects together that usually has a head at one end and a screw thread at the other and is secured by a nut

  5. 5 a :  a block of timber to be sawed or cut b :  a short round section of a log

  6. 6 :  a metal cylinder that drives the cartridge into the chamber of a firearm, locks the breech, and usually contains the firing pin and extractor



Illustration of bolt

Origin of bolt

Middle English, from Old English; akin to Old High German bolz crossbow bolt, and perhaps to Lithuanian beldėti to beat


First Known Use: before 12th century

Other Hardware Terms

Rhymes with bolt


2

bolt

verb

Definition of bolt

  1. intransitive verb
  2. 1 :  to move suddenly or nervously :  start

  3. 2 :  to move or proceed rapidly :  dash

  4. 3 a :  to dart off or away :  flee b :  to break away from control or a set course

  5. 4 :  to break away from or oppose one's previous affiliation (as with a political party or sports team)

  6. 5 :  to produce seed prematurely

  7. transitive verb
  8. 1 a archaic :  shoot, discharge b :  flush, start <bolt rabbits>

  9. 2 :  to say impulsively :  blurt

  10. 3 :  to secure with a bolt <bolt the door>

  11. 4 :  to attach or fasten with bolts

  12. 5 :  to eat hastily or without chewing <bolted his breakfast>

  13. 6 :  to break away from or refuse to support (as a political party)



13th Century

First Known Use of bolt

13th century


3

bolt

adverb

Simple Definition of bolt

  • : with the back in a very straight position

Source: Merriam-Webster's Learner's Dictionary

Full Definition of bolt

  1. 1 :  in an erect or straight-backed position :  rigidly <sat bolt upright>

  2. 2 archaic :  directly, straight

Examples of bolt in a sentence

  1. She sat bolt upright, staring straight ahead.



14th Century

First Known Use of bolt

14th century


4

bolt

noun

Definition of bolt

  1. :  the act or an instance of bolting



1550

First Known Use of bolt

1550


5

bolt

verb

Definition of bolt

  1. transitive verb
  2. 1 :  to sift (as flour) usually through fine-meshed cloth

  3. 2 archaic :  sift 2



Origin of bolt

Middle English bulten, from Anglo-French buleter, of Germanic origin; akin to Middle High German biuteln to sift, from biutel bag, from Old High German būtil


First Known Use: 13th century



BOLT Defined for Kids

1

bolt

play
noun \ˈbōlt\

Definition of bolt for Students

  1. 1 :  a stroke of lightning :  thunderbolt

  2. 2 :  a sliding bar used to fasten a door

  3. 3 :  the part of a lock worked by a key

  4. 4 :  a metal pin or rod with a head at one end and a screw thread at the other that is used to hold something in place

  5. 5 :  a roll of cloth or wallpaper




2

bolt

play
verb

Definition of bolt for Students

boltedbolting

  1. 1 :  to move suddenly and rapidly <She bolted from the room.>

  2. 2 :  to run away <The horse shied and bolted.>

  3. 3 :  to fasten with a bolt <Be sure to bolt the door.>

  4. 4 :  to swallow hastily or without chewing <Don't bolt your food.>





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a timid, meek, or unassertive person

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