What does the word declivity mean?

Usage examples for declivity

  1. " We cut steps into the declivity, fastened a line to the front of the canoe, with which some of the men ascended in order to haul it up. – The Story of the Trapper by A. C. Laut
  2. Up amid the pines I clamor'd, and along the ridge to where it broke off in a steep declivity. – The Splendid Spur by Arthur T. Quiller Couch
  3. But immediately facing him he could discern the river in its bottom, and could look down over the steep grassy declivity which descended to it from the point at which he stood; there was no more than room for the road, and on the road hardly room for a vehicle to pass another, or itself to turn. – Captain Dieppe by Anthony Hope