frost_over
1. [ verb ] become covered with a layer of ice; of a surface such as a window
Synonyms: ice_over ice_up
Examples:

"When the wings iced up, the pilot was forced to land his plane"

Related terms: change freeze
Similar spelling:   frost_heave
  freestone
  frostbite
  Frausto
  fresh_water
  frostwort
  frost_heaving
  frost_snow
  frost_mist
  frost_fish
  freestyle