tributary of the Yukon River in northwestern Canada, from Kutchin (Athabaskan) throndiuk, said to mean "hammer-water" and to be a reference to the practice of driving stakes into the riverbed to support fish traps. Scene of a gold rush after 1896. Related: Klondiker.

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Definitions of Klondike from WordNet
klondike (n.)
a form of solitaire that begins with seven piles of cards with the top cards facing up; descending sequences of cards of alternating colors are built on these piles; as aces become available they are placed above the seven piles; the object is to build sequences in suit from ace to king as the remaining cards are dealt out one at a time;
Klondike (n.)
a region in northwestern Canada where gold was discovered in 1896 but exhausted by 1910;