natural spring

Synonyms:

fountain, outflow, outpouring, spring

Examples:

Old Faithful

a geyser in Yellowstone National Park that erupts for about 4 minutes about every 65 minutes

Types:

Fountain of Youth

a fountain described in folk tales as able to make people young again

geyser

a spring that discharges hot water and steam

hot spring, thermal spring

a natural spring of water at a temperature of 70 F or above

Type of:

formation, geological formation

(geology) the geological features of the earth