a legal holiday observed in Texas on April 21.
noun 1. (in Turkey) one of the administrative districts into which a vilayet is divided. noun 1. (in the Turkish Empire) a subdivision of a vilayet
noun 1. a river in California, flowing NW from the Sierra Nevada Mountains to the Sacramento River. 350 miles (560 km) long.
- San joaquin valley
San Joaquin Valley [(san waw-keen, san wah-keen)] A vast valley in central California. Note: Known for its rich farmland.
noun, Pathology. 1. coccidioidomycosis.