What is the meaning of curing?

noun

• The process of becoming hard or solid by cooling or drying or crystallization.
  • usage: "the hardening of concrete"; "he tested the set of the glue"
  • synonyms: hardening, solidifying, solidification, set

verb

• Provide a cure for, make healthy again.
  • usage: "The treatment cured the boy's acne"; "The quack pretended to heal patients but never managed to"
  • synonyms: bring around, cure, heal
• Prepare by drying, salting, or chemical processing in order to preserve.
  • usage: "cure meats"; "cure pickles"; "cure hay"
  • synonyms: cure
• Make (substances) hard and improve their usability.
  • usage: "cure resin"; "cure cement"; "cure soap"
  • synonyms: cure
• Be or become preserved.
  • usage: "the apricots cure in the sun"
  • synonyms: cure