from The American Heritage® Dictionary of the English Language, 4th Edition
- n.pl. The rapids of a river that runs between the steep precipices of a gorge or narrow valley.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The rapids in a deep, narrow stream confined between the rock walls of a canyon or gorge.
- n. A steep-sided part of a stream channel, near the dalles proper, marked by clefts, ravines, or gorges.
from the GNU version of the Collaborative International Dictionary of English
- n.pl. A rapid, esp. one where the channel is narrowed between rock walls.
The word "dalles" is French, and signifies flagstones, such as are used for sidewalks.
Ses murs font près de 3m d'épaisseur, sa toiture est composée de 2 dalles en béton fortement armées, séparées entre elles par une chambre d'éclatement qui jouait un rôle antidéflagration.
The ecoregion is particularly characterized by the presence of calcareous slabs called "dalles."
And I set to work that day to list-rub the last few dalles of the jet.
They had continued to follow the stone dalles of the embankment and were now near the end of the Quai; he stopped short again, and again stared at the mountains.
Continuing our road in the afternoon, we ascended to the uplands, where the river passes round a point of great beauty, and goes through very remarkable dalles, in character resembling those of the Columbia.
The Exploring Expedition to the Rocky Mountains, Oregon and California To which is Added a Description of the Physical Geography of California, with Recent Notices of the Gold Region from the Latest and Most Authentic Sources
Mr. Nuttall, who has just returned from the dalles, where he has been spending some weeks, brings distressing intelligence from above.
We made the portage of the shoots this morning by carrying our boat and baggage across the land, and in half an hour, arrived at one of the upper dalles.
But she stemmed every thing gallantly, under the direction of our experienced guides, and we soon embarked again, and proceeded to the lower dalles.
At the upper end of the rapids, or dalles, is Celilo City, and at the lower end is Dalles City, sometimes known as "The Dalles."
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