What is the meaning of northward?

noun

• The cardinal compass point that is at 0 or 360 degrees.
  • synonyms: north, due north, N

adjective

• Moving toward the north.
  • usage: "the northbound lane"; "we took the north train"; "the northward flow of traffic"
  • synonyms: northbound

adverb

• In a northern direction.
  • usage: "they earn more up north"; "Let's go north"
  • synonyms: north, northerly, northwards