What is the meaning of retract?

verb

• Formally reject or disavow a formerly held belief, usually under pressure.
  • usage: "He retracted his earlier statements about his religion"; "She abjured her beliefs"
  • synonyms: abjure, recant, forswear, resile
• Pull away from a source of disgust or fear.
  • synonyms: shrink back
• Use a surgical instrument to hold open (the edges of a wound or an organ.
  • synonyms: pull back, draw back
• Pull inward or towards a center.
  • usage: "The pilot drew in the landing gear"; "The cat retracted his claws"
  • synonyms: draw in