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ridge definition


This page has 11 definitions of ridge in English. Ridge is a noun and verb. Examples of how to use ridge in a sentence are shown. Also define these 23 related words and terms: anatomy, back, protuberance, groove, line, sloping, surface, meet, diverge, horizontal, intersect, glacis, mountains, inhabitable, hills, oceanography, elevation, ocean, bottom, meteorology, trough, form, and extend.

See also: Ridge


Alternative forms

  • rig (dialectal)


From Middle English rigge, rygge, (also rig, ryg, rug), from Old English hryċġ (back, spine, ridge, elevated surface), from Proto-Germanic *hrugjaz (back), from Proto-Indo-European *(s)kreuk-, *(s)ker- (to turn, bend). Cognate with Scots rig (back, spine, ridge), North Frisian reg (back), West Frisian rêch (back), Dutch rug (back, ridge), German Rücken (back, ridge), Swedish rygg (back, spine, ridge), Icelandic hryggur (spine). Cognate to Albanian kërrus (to bend one's back) and kurriz (back).



ridge (plural ridges)

  1. (anatomy) The back of any animal; especially the upper or projecting part of the back of a quadruped.
    • 1663–1678, Samuel Butler, Hudibras, part III, canto I, pages 91–92:
      He though it was no time to ſtay, / And let the Night too ſteal away, / But in a trice advanced the Knight, / Upon the Bare Ridge, Bolt upright, / And groping out for Ralpho’s Jade, / He found the Saddle too was ſtraid []
  2. Any extended protuberance; a projecting line or strip.
    Antonym: groove
    The plough threw up ridges of earth between the furrows.
  3. The line along which two sloping surfaces meet which diverge towards the ground.
    mountain ridge
    • 1879, R[ichard] J[efferies], chapter 1, in The Amateur Poacher, London: Smith, Elder, & Co., [], OCLC 752825175:
      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.
    • Sloping definition
      Having a slope.
  4. The highest point on a roof, represented by a horizontal line where two roof areas intersect, running the length of the area.
    • 1907, Harold Bindloss, chapter 26, in The Dust of Conflict:
      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.
    • Intersect definition
      To cut into or between; to cut or cross mutually; to divide into parts. (1 of 2 intersect definitions)
  5. (fortifications) The highest portion of the glacis proceeding from the salient angle of the covered way.
    • 1853-1855, Joachim Hayward Stocqueler , The Life of Field-Marshal the Duke of Wellington
      the British Guards lie down behind a ridge to avoid the shot and shell from the opposite heights
  6. A chain of mountains.
    • c. 1595, William Shakespeare, Richard II, [Act I, scene i], lines 62–66:
      [] Which to maintaine, I would allow him oddes, / And meete him, were I tide to runne afoote, / Euen to the frozen ridges of the Alpes, / Or any other ground inhabitable, / Where euer Engliſhman durſt ſet his foote.
  7. A chain of hills.
  8. (oceanography) A long narrow elevation on an ocean bottom.
    • Elevation definition
      The act of raising from a lower place, condition, or quality to a higher; said of material things, persons, the mind, the voice, etc. (1 of 9 elevation definitions)
  9. (meteorology) An elongated region of high atmospheric pressure.

Derived terms


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ridge (third-person singular simple present ridges, present participle ridging, simple past and past participle ridged)

  1. (transitive) To form into a ridge
    • Form definition
      To do with shape.
      1. The shape or visible structure of a thing or person.
      2. A thing that gives shape to other things as in a mold.
      3. Regularity, beauty, or elegance.
      4. The inherent nature of an object; that which the mind itself contributes as the condition of knowing; that in which the essence of a thing consists.
      5. Characteristics not involving atomic components. (Can we add an example for this sense?)
      6. A long bench with no back.
      7. The boundary line of a material object. In painting, more generally, the human body.
      8. The combination of planes included under a general crystallographic symbol. It is not necessarily a closed solid.
      (1 of 27 form definitions)
  2. (intransitive) To extend in ridges

Related terms

See also