bolt¹ /bōlt or bolt/

1. A bar or rod that slides into a hole or socket to fasten a door, etc
2. A sliding mechanism in a firearm used to eject a spent cartridge and insert a new one
3. A heavy screw or pin with a head
4. An arrow, esp for a crossbow
5. A thunderbolt
6. A roll of a definite measure (of cloth, etc)
7. The uncut edge of a sheet folded for a book
8. A rush, a sudden dash

1. To fasten with a bolt
2. To utter precipitately
3. To swallow hastily
4. To cause to rush out, run away or take flight
5. To connect or join (figurative)
6. To break away from, withhold support from (US)
7. To make up (cloth) into bolts

1. To spring, dart
2. To run away, escape
3. (of a horse) to run out of control
4. To withhold support from one's party, its policy or nominee (US)
5. (of a plant) to flower and run to seed
6. (of a biennial plant) to behave like an annual

Like a bolt

boltˈer noun

boltˈ-action adjective

(of a firearm) having a bolt for ejecting or advancing cartridges

boltˈhead noun

The head of a bolt

boltˈhole noun

1. A hole into which a bolt slides
2. A secret passage or way of escape
3. A refuge from danger
4. A secluded, private place

boltˈ-on adjective

Additional, supplementary

noun

An additional part which can be attached to a computer or other machine

bolt rope noun

A rope sewn round the edge of a sail to prevent it from tearing

a bolt from the blue

An unexpected event

a fool's bolt is soon shot

A fool soon gives away the initiative, leaving himself or herself unprotected

bolt upright

Upright, and straight as an arrow

have shot one's bolt

To be unable to do more than one has done

boult or bolt /bōlt/

1. To sift through coarse cloth
2. To examine by sifting

boultˈer or boltˈer noun

1. A sieve
2. A machine for separating bran from flour

boultˈing or boltˈing noun

boulting cloth or bolting cloth noun

A firm silk or nylon fabric with various mesh sizes used for boulting meal or flour, for embroidery, or for photographic enlargements

boultˈing-hutch or boltˈing-hutch noun

A hutch or large box into which flour falls when it is boulted

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