- (obsolete, uncountable) Shelter, refuge.
- A sheltered area for ships; a piece of water adjacent to land in which ships may stop to load and unload.
"The city has an excellent natural harbour."
- (obsolete) A house of the zodiac.
- A mixing box for materials in glass-working.
- A place of shelter or refuge.
"The neighbourhood is a well-known harbour for petty thieves."
- (astrology) The mansion of a heavenly body.
- (transitive) To provide shelter or refuge for.
"The docks, which once harboured tall ships, now harbour only petty thieves."
- (transitive) To accept, as with a belief.
"That scientist harbours the belief that God created humans."