What does the word navigation mean?

Usage examples for navigation

  1. The navigation, again, between Elizabeth River and the Sound is of vast importance, and in my opinion, it is much better that these should be done at public than private expense. – Memoir, Correspondence, And Miscellanies, From The Papers Of Thomas Jefferson by Thomas Jefferson
  2. To tell you the truth, I did not report it because I thought I must have been dozing; it's a dead slow watch, and the navigation on this part of the run is child's play. – The Devil Doctor by Sax Rohmer