Noun klondike has 2 senses

• klondike(n = noun.location) Array - a region in northwestern Canada where gold was discovered in 1896 but exhausted by 1910; Array
is a kind of geographic area, geographic region, geographical area, geographical region
is a part of yukon, yukon territory

• klondike(n = noun.act) Array - 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; Array
is a kind of patience, solitaire