sourdough   (TTS Sound)

The sourdough has 2 Senses.

• sourdough
• サワードー, 発酵パン種
• a leaven of dough in which fermentation is active; used by pioneers for making bread
• 発酵が活発である生地の酵母

• sourdough
• a settler or prospector (especially in western United States or northwest Canada and Alaska)
• 移住者、または試掘者（特に米国西部またはカナダおよびアラスカ北西部）