sour·​dough ˈsau̇(-ə)r-ˌdō How to pronounce sourdough (audio)
 sense 1 is also  -ˈdō
: a leaven consisting of dough in which fermentation is active
[from the use of sourdough for making bread in prospectors' camps] : a veteran inhabitant and especially an old-time prospector of Alaska or northwestern Canada

Examples of sourdough in a Sentence

Recent Examples on the Web While pasta is baking, toast sourdough slices in the oven for 5-10 minutes. Benjy Egel, Sacramento Bee, 9 May 2024 Regular firm white bread (pain de mie) holds its shape and stays very moist after cooking, while crusty breads like sourdoughs and baguettes retain a pleasant and satisfying chew. Melissa Clark, New York Times, 7 May 2024 See all Example Sentences for sourdough 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'sourdough.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of sourdough was in the 14th century

Dictionary Entries Near sourdough

Cite this Entry

“Sourdough.” Dictionary, Merriam-Webster, Accessed 19 May. 2024.

Kids Definition


sour·​dough ˈsau̇(ə)r-ˌdō How to pronounce sourdough (audio)
: a dough in which fermentation is active and which is used to start fermentation in other dough (as in making bread)
: an old-time prospector in Alaska or northwestern Canada
Last Updated: - Updated example sentences
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