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This page has 4 definitions of valley in English and Manx. Valley is a noun. Also define these 12 related words and terms: elongated, depression, hill, mountain, river, dale, vale, structure, interior angle, intersection, plane, and balley.

See also: Valley


The Newlands Valley (UK)


From Middle English valey, valeye, from Anglo-Norman valey, Old French valee (compare French vallée), from Latin vallēs/vallis. Doublet of vlei. Displaced native dene, from Old English dene.



valley (plural valleys)

  1. An elongated depression between hills or mountains, often with a river flowing through it.
    Synonyms: dale, (poetic) vale; see also Thesaurus:valley
    • 2013 August 16, John Vidal, “Dams endanger ecology of Himalayas”, in The Guardian Weekly, volume 189, number 10, page 8:
      Most of the Himalayan rivers have been relatively untouched by dams near their sources. Now the two great Asian powers, India and China, are rushing to harness them as they cut through some of the world's deepest valleys.
    • Depression definition
      A state of mind producing serious, long-term lowering of enjoyment of life or inability to visualize a happy future. (1 of 8 depression definitions)
    • River definition
      A large and often winding stream which drains a land mass, carrying water down from higher areas to a lower point, oftentimes ending in another body of water, such as an ocean or in an inland sea. (1 of 5 river definitions)
  2. The area which drains into a river.
  3. Any structure resembling one, e.g. the interior angle formed by the intersection of two sloping roof planes.
    • Interior Angle definition
      The inner angle between two sides of a polygon.
    • Plane definition
      Of a surface: flat or level.


Derived terms


See also





  1. Lenited form of balley.