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Definition of san joaquin
san joaquin
• noun
1
American A prominent and agriculturally productive valley in the United States, constituting the southern half of California's expansive Central Valley.
Example
"Much of the nation's almonds, pistachios, and grapes are grown in the fertile soils of the San Joaquin."
2
American A county located in the Central Valley of California, United States, situated just east of the San Francisco Bay Area.
Example
"The port city of Stockton serves as the county seat of San Joaquin."
3
American A major river in the United States, flowing from the high Sierra Nevada mountains of California westward and northward to the Sacramento-San Joaquin River Delta, emptying into Suisun Bay.
• Nearby Words
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of San joaquin. In Wordmom Dictionary. Retrieved Oct 17, 2026, from https://wordmom.com/dictionary/san%20joaquin