Ridge

noun
1.
a long, narrow elevation of land; a chain of hills or mountains.
2.
the long and narrow upper edge, angle, or crest of something, as a hill, wave, or vault.
3.
the back of an animal.
4.
any raised, narrow strip, as on cloth.
5.
the horizontal line in which the tops of the rafters of a roof meet.
6.
(on a weather chart) a narrow, elongated area of high pressure.
verb (used with object), ridged, ridging.
7.
to provide with or form into a ridge or ridges.
8.
to mark with or as if with ridges.
verb (used without object), ridged, ridging.
9.
to form ridges.
noun
1.
a long narrow raised land formation with sloping sides esp one formed by the meeting of two faces of a mountain or of a mountain buttress or spur
2.
any long narrow raised strip or elevation, as on a fabric or in ploughed land
3.
(anatomy) any elongated raised margin or border on a bone, tooth, tissue membrane, etc
4.

the top of a roof at the junction of two sloping sides
(as modifier): a ridge tile

5.
the back or backbone of an animal, esp a whale
6.
(meteorol) an elongated area of high pressure, esp an extension of an anticyclone Compare trough (sense 4)
verb
7.
to form into a ridge or ridges

ridge (rĭj)
n.
A long, narrow, or crested part of the body, as on the nose.
ridge
(rĭj)

A long narrow chain of hills or mountains.

See mid-ocean ridge.

A narrow, elongated zone of relatively high atmospheric pressure associated with an area of peak anticyclonic circulation. Compare trough.