Meaning of BOLT in English


I. ˈbōlt noun

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

Date: before 12th century


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


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b. : the part of a lock that is shot or withdrawn by the key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. : a roll of cloth or wallpaper of specified length

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


a. : a block of timber to be sawed or cut

b. : a short round section of a log

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


bolt 4


II. verb

Date: 13th century

intransitive verb

1. : to move suddenly or nervously : start

2. : to move or proceed rapidly : dash


a. : to dart off or away : flee

b. : to break away from control or a set course

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

5. : to produce seed prematurely

transitive verb


a. archaic : shoot , discharge

b. : flush , start

bolt rabbits

2. : to say impulsively : blurt

3. : to secure with a bolt

bolt the door

4. : to attach or fasten with bolts

5. : to eat hastily or without chewing

bolt ed his breakfast

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

III. adverb

Date: 14th century

1. : in an erect or straight-backed position : rigidly

sat bolt upright

2. archaic : directly , straight

IV. noun

Date: 1550

: the act or an instance of bolting

V. transitive verb

Etymology: 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

Date: 13th century

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

2. archaic : sift 2

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.