What is the meaning of harbour?

noun

• A sheltered port where ships can take on or discharge cargo.
  • synonyms: seaport, haven, harbor
• A place of refuge and comfort and security.
  • synonyms: harbor

verb

• Secretly shelter (as of fugitives or criminals.
  • synonyms: harbor
• Keep in one's possession; of animals.
  • synonyms: harbor
• Hold back a thought or feeling about.
  • usage: "She is harboring a grudge against him"
  • synonyms: harbor, shield
• Maintain (a theory, thoughts, or feelings. )
  • usage: "bear a grudge"; "entertain interesting notions"; "harbor a resentment"
  • synonyms: harbor, hold, entertain, nurse