What is the meaning of relegate?

verb

• Refer to another person for decision or judgment.
  • usage: "She likes to relegate difficult questions to her colleagues"
  • synonyms: pass on, submit
• Assign to a lower position; reduce in rank.
  • usage: "She was demoted because she always speaks up"; "He was broken down to Sergeant"
  • synonyms: demote, bump, break, kick downstairs
• Expel, as if by official decree.
  • usage: "he was banished from his own country"
  • synonyms: banish, bar
• Assign to a class or kind.
  • usage: "How should algae be classified"; "People argue about how to relegate certain mushrooms"
  • synonyms: classify