What does the word navigable mean?

Usage examples for navigable

  1. Thus alternately digging and pushing, we at last reached navigable depths. – The River and I by John G. Neihardt
  2. There seemed at least a good prospect that the scheme for making Salt River navigable was likely to become operative. – Mark Twain, A Biography, Vol. 1, Part 1, 1835-1866 The Personal And Literary Life Of Samuel Langhorne Clemens by Albert Bigelow Paine
  3. It abounds with fine navigable rivers and great quantities of fine timber. – Ten Girls from History by Kate Dickinson Sweetser