Sourdough meaning

sourdō
An early settler or prospector, especially in Alaska and northwest Canada.
noun
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A prospector or settler in the W U.S. or Canada, esp. one living alone.
noun
3
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Leaven.
noun
2
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Made from dough that was leavened with yeast and lactobacteria that produce acids giving a sour taste.
adjective
1
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Dough, leavened with yeast and lactobacteria that produce acids giving a sour taste.
noun
1
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(slang) An old-timer, especially in Alaska. From the distinctive pouches of bread starter worn on a belt or around the neck by experienced prospectors during the Klondike Gold Rush.
noun
1
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(Yukon) A permanent resident of the territory. Someone who has lived in the Yukon during all four seasons.
noun
1
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Origin of sourdough

  • Sense 2, from an association with using pieces of sourdough to leaven bread in the winter

    From American Heritage Dictionary of the English Language, 5th Edition