Noun

(wikipedia ridge) (en noun)

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

:(Hudibras)

Any extended protuberance; a projecting line or strip.

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

*

*:It was not far from the house; but the ground sank into a depression there, and the ridge of it behind shut out everything except just the roof of the tallest hayrick. As one sat on the sward behind the elm, with the back turned on the rick and nothing in front but the tall elms and the oaks in the other hedge, it was quite easy to fancy it the verge of the prairie with the backwoods close by.

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

*{{quote-book, year=1907, author=

, chapter=26, title= The Dust of Conflict , passage=Maccario, it was evident, did not care to take the risk of blundering upon a picket, and a man led them by twisting paths until at last the hacienda rose blackly before them. Appleby could see it dimly, a blur of shadowy buildings with the ridge of roof parapet alone cutting hard and sharp against the clearing sky.}}

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

:(Stocqueler)

A chain of mountains.

*(William Shakespeare) (1564-1616)

*:the frozen ridges of the Alps

A chain of hills.

A long narrow elevation on an ocean bottom.

(lb) A type of warm air that comes down on to land from mountains.

Noun

(en noun)

A mountain top or rocky element of a ridge that is surrounded by glacial ice but is not covered by ice; a peak protruding from the surface ice sheet.

* 1922 , Apsley Cherry-Garrard, The Worst Journey in the World: Antarctic 1910-1913 , Volume 2, Constable and Company Ltd. (1922), page 365:

We made for a slope close to the end of the island or nunatak , where Shackleton must have got up also; it is obviously the only place when you look at it from a commanding rise.

* 2008 , Andrea M. J. Coronato, Fernando Coronato, Elizabeth Mazzoni, & Miriam Vásquez, "The Physical Geography of Patagonia and Tierra del Fuego", in The Late Cenozoic of Patagonia and Tierra del Fuego (ed. J. Rabassa), Elsevier (2008), ISBN 9780444529541, page 45:

Only a few lichens and mosses colonize the rocky walls of cirques and nunataks .

* 2006 , Thomas Pynchon, Against the Day , Vintage 2007, p. 155:

The peak in whose lee you have chosen to set up your command post is far too regular in shape to be the nunatak you imagine it.