See Also: sourdough(dictionary)
sourdough(dictionary)
Roasted Pepper and Sourdough Brunch Casserole(recipes)

sourdough (iou)



sourdough noun. LME.
[from SOUR adjective + DOUGH noun.]
a. Leaven. Long obsolete exc. dial. LME.
b. Fermenting dough, esp. that left over from a previous baking, used as leaven; bread made from this (also sourdough bread). N. Amer. M19.
An experienced prospector in Alaska, the Yukon, etc. (in allusion to the use of sourdough to raise bread baked during the winter). N. Amer. L19.