strait between San Francisco Bay and the Pacific: 2 mi (3.2 km) wide
so named (1846) by John Charles Frémont after the Golden Horn in anticipation of the flow of Asian riches through the strait
See Golden Gate in American Heritage Dictionary 4
A strait in western California connecting the Pacific Ocean and San Francisco Bay. Discovered in 1579 by Sir Francis Drake, it was known as the Golden Gate long before the name gained popularity during the gold rush of 1849. The Golden Gate Bridge, which spans the strait, was completed in 1937.