SOURDOUGH

sourdough

(noun) a settler or prospector (especially in western United States or northwest Canada and Alaska)

sourdough

(noun) a leaven of dough in which fermentation is active; used by pioneers for making bread

Source: WordNet® 3.1

Etymology

Noun

sourdough (countable and uncountable, plural sourdoughs)

A type of bread dough leavened with yeast and lactobacilli that produce acids giving a sour taste. [from 14th c.]

(countable, slang) An old-timer, especially in Alaska. [from 1898]

(countable, Yukon) A permanent resident of the territory. Someone who has lived in the Yukon during all four seasons.

Antonym: cheechako

Adjective

sourdough (not comparable)

Made from sourdough.

Source: Wiktionary