Fountain of Youth - a fountain described in folk tales as able to make people young again; "Ponce de Leon discovered Florida while searching for the Fountain of Youth"

geological formation, formation - (geology) the geological features of the earth

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

flow, flowing - the motion characteristic of fluids (liquids or gases)

springtide - a swelling rush of anything; "he rose on the springtide of prosperity"

flow, flowing - the motion characteristic of fluids (liquids or gases)

spirt, spurt, squirt, jet - the occurrence of a sudden discharge (as of liquid)

leakage, outflow, escape, leak - the unwanted discharge of a fluid from some container; "they tried to stop the escape of gas from the damaged pipe"; "he had to clean up the leak"

language, linguistic communication - a systematic means of communicating by the use of sounds or conventional symbols; "he taught foreign languages"; "the language introduced is standard throughout the text"; "the speed with which a program can be executed depends on the language in which it is written"

flow, stream - the act of flowing or streaming; continuous progression

effusion - flow under pressure