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dalles - What does it mean?

Definition of 'dalles'

English

Noun

(head)
  • (pluralonly) The rapids in a deep, narrow stream confined between the rock walls of a canyon or gorge.
  • (pluralonly) A steep-sided part of a stream channel, near the dalles proper, marked by clefts, ravines, or gorges.
  • References

    * United States Bureau of Mines, Dictionary of Mining, Mineral, and Related Terms (1996). ----