MEANING: noun: A rich source of something valuable.

ETYMOLOGY: After the Klondike region in the Yukon Territory, Canada, named after the Klondike River. It was the site of a gold rush from 1896 to 1899. Earliest documented use: 1897.

BLONDIKE - when Eisenhower lightened his hair dramatically

KOLONDIKE - the physical cause of constipation

KLM ON DIKE - Royal Dutch Airways aircraft made an emergency landing on a sea-wall