What is the meaning of char?

noun

• A charred substance.
• A human female employed to do housework.
  • usage: "the char will clean the carpet"; "I have a woman who comes in four hours a day while I write"
  • synonyms: charwoman, cleaning woman, cleaning lady, woman
• Any of several small trout-like fish of the genus Salvelinus.
  • synonyms: charr

verb

• Burn to charcoal.
  • usage: "Without a drenching rain, the forest fire will char everything"
  • synonyms: coal
• Burn slightly and superficially so as to affect color.
  • usage: "The cook blackened the chicken breast"; "The fire charred the ceiling above the mantelpiece"; "the flames scorched the ceiling"
  • synonyms: blacken, sear, scorch