English noun: sourdough | |||
1. | sourdough (substance) a leaven of dough in which fermentation is active; used by pioneers for making bread | ||
Broader (hypernym) | leaven, leavening | ||
2. | sourdough (person) a settler or prospector (especially in western United States or northwest Canada and Alaska) | ||
Broader (hypernym) | colonist, prospector, settler | ||
Domain region | West, western United States | ||