bolt

bolt¹ [bəult US boult] n

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1¦(lock)¦

2¦(screw)¦

3 a bolt from (out of) the blue

4 bolt of lightning

5 make a bolt for it

6¦(weapon)¦

7¦(cloth)¦

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[: 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

BrE 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 ↑shoot¹ (24), the nuts and bolts of sth at ↑nut¹ (6)

bolt ²

bolt² v

1.)

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.) [T] [i]also bolt down

to eat very quickly

= ↑gobble

▪ He bolted down his breakfast.

3.) [T]

to fasten two things together using a bolt

bolt sth to sth

▪ The cell contained an iron bedframe bolted to the floor.

bolt sth together

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

4.) [T]

to lock a door or window by sliding a bolt across

bolt ³

bolt³ adv

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 during the whole journey.