set light to something

set light to (something)

To ignite or set fire to something. He set light to the fireworks, then ran behind the car for cover. Police arrested the man on suspicion of setting light to the local post office.
See also: light, set, to
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

set ˈlight to something

(especially British English) make something start burning: A spark from the fire had set light to a rug.
See also: light, set, something, to
Farlex Partner Idioms Dictionary © Farlex 2017
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References in periodicals archive ?
I've always wondered if he set light to something I wrote.
Ms McCallion said it makes her "furious" that people would set light to something and send it off to "who knows where with no thought to the damage it can do".
The heat from the grill melted and set light to something plastic on top of the grill.
The bonfire outside Tory HQ might just set light to something bigger.