What is the meaning of chill?

noun

• Coldness due to a cold environment.
  • synonyms: iciness, gelidity
• An almost pleasurable sensation of fright.
  • usage: "a frisson of surprise shot through him"
  • synonyms: frisson, shiver, quiver, shudder, thrill, tingle
• A sensation of cold that often marks the start of an infection and the development of a fever.
  • synonyms: shivering
• A sudden numbing dread.
  • synonyms: pall

verb

• Depress or discourage.
  • usage: "The news of the city's surrender chilled the soldiers"
• Make cool or cooler.
  • usage: "Chill the food"
  • synonyms: cool, cool down
• Loose heat.
  • usage: "The air cooled considerably after the thunderstorm"
  • synonyms: cool, cool down