Simple Definition of geyser
: a hole in the ground that shoots out hot water and steam; also : the column of water and steam that comes from a geyser
: a device for heating water in a bathroom or kitchen
Full Definition of geyser
1 : a spring that throws forth intermittent jets of heated water and steam
2 British : an apparatus for heating water rapidly with a gas flame (as for a bath)
Examples of geyser in a sentence
The water from the geyser rises as high as 75 feet.
geysers rising as high as 75 feet
The water shot into the sky in an enormous geyser.
Origin and Etymology of geyser
Icelandic Geysir, hot spring in Iceland, from geysa to rush forth, from Old Norse; akin to Old English gēotan to pour — more at found
First Known Use: 1780
GEYSER Defined for Kids
Definition of geyser for Students
: a spring that now and then shoots up hot water and steam
Seen and Heard
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