What is the meaning of coursing?

noun

• Hunting with dogs (usually greyhounds) that are trained to chase game (such as hares. by sight instead of by scent)

verb

• Move swiftly through or over.
  • usage: "ships coursing the Atlantic"
  • synonyms: course
• Move along, of liquids.
  • usage: "Water flowed into the cave"; "the Missouri feeds into the Mississippi"
  • synonyms: run, flow, feed, course
• Hunt with hounds.
  • usage: "He often courses hares"
  • synonyms: course