What is the meaning of excision?

noun

• The omission that is made when an editorial change shortens a written passage.
  • usage: "an editor's deletions frequently upset young authors"; "both parties agreed on the excision of the proposed clause"
  • synonyms: deletion, cut
• Surgical removal of a body part or tissue.
  • synonyms: ablation, extirpation, cutting out
• The act of banishing a member of a church from the communion of believers and the privileges of the church; cutting a person off from a religious society.
  • synonyms: excommunication
• The act of pulling up or out; uprooting; cutting off from existence.
  • synonyms: extirpation, deracination