What is the meaning of debar?

verb

• Bar temporarily; from school, office, etc..
  • synonyms: suspend
• Prevent the occurrence of; prevent from happening.
  • usage: "Let's avoid a confrontation"; "head off a confrontation"; "avert a strike"
  • synonyms: forefend, forfend, obviate, deflect, avert, head off, stave off, fend off, avoid, ward off
• Prevent from entering; keep out.
  • usage: "He was barred from membership in the club"
  • synonyms: bar, exclude