The back of any animal; especially the upper or projecting part of the back of a quadruped.
Any extended protuberance; a projecting line or strip.
The line along which two sloping surfaces meet which diverge towards the ground.
The highest point on a roof, represented by a horizontal line where two roof areas intersect, running the length of the area.
(fortifications) The highest portion of the glacis proceeding from the salient angle of the covered way.
A chain of mountains.
A chain of hills.
A long narrow elevation on an ocean bottom.
An elongated region of high atmospheric pressure.
To form into a ridge
To extend in ridges