ridges

noun

1. 1

   The back of any animal; especially the upper or projecting part of the back of a quadruped.

2. 2

   Any extended protuberance; a projecting line or strip.

   “The plough threw up ridges of earth between the furrows.”

3. 3

   The line along which two sloping surfaces meet which diverge towards the ground.

4. 4

   The highest point on a roof, represented by a horizontal line where two roof areas intersect, running the length of the area.

5. 5

   (fortifications) The highest portion of the glacis proceeding from the salient angle of the covered way.

6. 6

   A chain of mountains.

7. 7

   A chain of hills.

8. 8

   A long narrow elevation on an ocean bottom.

9. 9

   An elongated region of high atmospheric pressure.