cold spell (noun)

1. In the science fiction novel, the characters battled against a cold spell that threatened to freeze the entire planet.

2. The winter of 1812 was remembered for being a severe cold spell that caused great suffering among Napoleon's army.

3. In the fantasy world of dragons and magic, a cold spell was cast upon the kingdom, plunging it into an eternal winter.

4. In the cartoon episode, the mischievous character accidentally created a cold spell that turned everything into ice.