The definition of a valley is a stretch of low land between two mountain or hill ranges.(noun)
An example of a valley is the San Fernando area in southern California which is circled by the Transverse Ranges.
See valley in Webster's New World College Dictionary
noun pl. valleys
Origin: ME valey < OFr valee < val < L vallis, vale < IE base *wel-, to turn, roll > walk, well
See valley in American Heritage Dictionary 4
noun pl. val·leys
Origin: Middle English valey
Origin: , from Old French valee
Origin: , from Vulgar Latin *vallāta
Origin: , from Latin vallēs; see wel-2 in Indo-European roots.
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