Great Divide(redirected from great divides)
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Great Divide:see Continental DivideContinental Divide,
the "backbone" of a continent. In North America, from N Alaska to New Mexico, it moves along the crest of the Rocky Mts., which separates streams with outlets to the west of the divide from those with outlets to the east.
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great ridge of Rocky Mountains; once thought of as epitome of faraway place. [Am. Folklore: Misc.]