geyser

/ˈɡaɪzə/noun

A natural hot spring that regularly shoots columns of steam and boiling water into the air.

Example sentence

“We waited half an hour to watch the famous geyser erupt.”

Named after Geysir in Iceland, the original. American English says GUY-zer; British English often says GEE-zer, which collides awkwardly with the slang 'geezer'.

nature

Related words

reefA ridge of rock, coral, or sand lying just below or at the surface of the sea.springTo leap or jump suddenly, or to appear or shoot out quickly.coralA small sea animal of the class Anthozoa that lives in colonies and usually builds a hard chalky skeleton; also the colony such animals form.brookA small, natural stream of flowing water, smaller than a river.seashellThe hard outer covering left behind by a sea creature such as a clam or snail.creekA small flowing body of fresh water, usually smaller than a river, though in Australia the word can describe much larger watercourses.