noun A thin layer of ice crystals that forms on surfaces exposed to freezing air.
- A white frost covered the lawn, and every blade of grass sparkled in the sun.
- We scraped the frost off the car windows before driving to work.
- There was frost on the windshield this morning.
noun Freezing weather cold enough to produce this layer of ice.
- Gardeners cover tender plants at night when they expect frost.
- The forecast warns of frost tonight, so wrap up warm if you go out.
- An early frost damaged the crops.
verb To cover a cake or other baked good with icing.
- Once the sponge has cooled completely, you can frost it with lemon icing.
- Would you like to help me frost the birthday cake this afternoon?
- She frosted the cupcakes with pink buttercream.
verb To become covered with a thin layer of ice.
- The car windows frost over whenever the temperature drops sharply at night.
- Leave the glass outside and it will frost within an hour.
- The grass frosted overnight.
