What is the meaning of the word "ice storm"?

Definitions:

  1. A storm in which rain freezes on contact with the ground to form a sheet of ice. copy to clipboard NOUN
    • Schools and businesses were closed due to the ice storm, which made travel too dangerous. copy to clipboard
  2. A storm with freezing rain that leaves everything glazed with ice. copy to clipboard NOUN
    • The ice storm left a quarter-inch of ice on every surface, making it difficult to walk or drive safely. copy to clipboard
  3. A type of winter system characterized by freezing rain, which occurs when falling snowflakes melt into rain as they pass through a layer of warmer air then freeze upon encountering a layer of freezing air close to the ground surface. copy to clipboard NOUN
    • Emergency crews worked around the clock to restore power after the ice storm knocked out electricity to thousands of homes. copy to clipboard
  4. A weather event in which freezing rain falls and forms a coating of ice on surfaces, often causing hazardous conditions and damage. copy to clipboard NOUN
    • The ice storm last night left the trees covered in a thick layer of ice, and many power lines were downed. copy to clipboard

Synonyms: