1. the act of pulling up or out
uprooting
cutting off from existence
Synonym: extirpationderacination
2. 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
Synonym: excommunication
3. surgical removal of a body part or tissue
Synonym: ablationextirpationcutting out
4. the omission that is made when an editorial change shortens a written passage
e.g. an editor's deletions frequently upset young authors
both parties agreed on the excision of the proposed clause