Meaning of BOLT in English

BOLT

I. bolt 1 /bəʊlt $ boʊlt/ BrE AmE noun [countable]

[ Language: Old English ; Origin: 'short arrow' ]

1 . LOCK a metal bar that you slide across a door or window to fasten it

2 .

SCREW a screw with a flat head and no point, for fastening things together

3 . a bolt from/out of the blue news that is sudden and unexpected:

Was this money a bolt from the blue or did you know you were going to get it?

4 . bolt of lightning lightning that appears as a white line in the sky:

There’s not much left of his house after it was struck by a bolt of lightning.

⇨ ↑ thunderbolt

5 . make a bolt for it British English to suddenly try to escape from somewhere:

They attacked the driver and he straightaway made a bolt for it.

6 . WEAPON a short heavy ↑ arrow that is fired from a ↑ crossbow

7 . CLOTH a large long roll of cloth

⇨ have shot your bolt at ↑ shoot 1 (24), ⇨ the nuts and bolts of something at ↑ nut 1 (6)

II. bolt 2 BrE AmE verb

1 . [intransitive] to suddenly run somewhere very quickly, especially in order to escape or because you are frightened:

The horse reared up and bolted.

Kevin had bolted through the open window.

2 . [transitive] ( also bolt down ) to eat very quickly SYN gobble :

He bolted down his breakfast.

3 . [transitive] to fasten two things together using a bolt

bolt something to something

The cell contained an iron bedframe bolted to the floor.

bolt something together

The boxes were made of heavy panels of metal bolted together.

4 . [transitive] to lock a door or window by sliding a bolt across

• • •

THESAURUS

■ animals running

▪ trot to run fairly slowly, taking short steps – used especially about horses and dogs:

A little dog was trotting behind her.

▪ gallop if a horse gallops, it runs very quickly:

The horse galloped off across the field.

▪ bolt to suddenly run somewhere very fast, especially in order to escape:

Suddenly a fox bolted out from beneath a hedge.

III. bolt 3 BrE AmE adverb

sit/stand bolt upright to sit or stand with your back very straight, often because something has frightened you:

She sat bolt upright in the back seat.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.