geyser.
A boiling natural spring which throws forth jets of water, mud, etc., at frequent intervals, driven upwards by the expansive power of steam.
Meaning & usage
A boiling natural spring which throws forth jets of water, mud, etc., at frequent intervals, driven upwards by the expansive power of steam.
A momentary vertical jet or fountain of fluid driven upwards by a violent force.
An instantaneous, and often dangerous, hot water heater.
A domestic water boiler.
Where this word comes from
Etymology tree Proto-Indo-European *ǵʰew-der.? Proto-Germanic *geusaną Proto-Indo-European *-yeti Proto-Indo-European *-éyeti Proto-Germanic *-janą Proto-Germanic *gausijaną Old Norse geysa Icelandic geysa Icelandic Geysirbor. English geyser From Icelandic Geysir (“Gusher”), the Icelandic name of a particular hot spring in Iceland (see Wikipedia), from the verb geysa (“to gush”), from Old Norse geysa (“to gush”), which is mentioned in English as early as the 1760s in The Annual Register, as “Geyser, a wonderful spring in the valley of Haukadal”. Doublet of gusher
To (cause to) rush or burst upward like water from a geyser.
Where this word comes from
Etymology tree Proto-Indo-European *ǵʰew-der.? Proto-Germanic *geusaną Proto-Indo-European *-yeti Proto-Indo-European *-éyeti Proto-Germanic *-janą Proto-Germanic *gausijaną Old Norse geysa Icelandic geysa Icelandic Geysirbor. English geyser From Icelandic Geysir (“Gusher”), the Icelandic name of a particular hot spring in Iceland (see Wikipedia), from the verb geysa (“to gush”), from Old Norse geysa (“to gush”), which is mentioned in English as early as the 1760s in The Annual Register, as “Geyser, a wonderful spring in the valley of Haukadal”. Doublet of gusher
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.