noun
geyser
GEE-zuh
noun
1
A hot spring that periodically shoots a column of water and steam into the air.
"Tourists gathered to watch the geyser erupt on schedule."
2
(British) A gas-powered domestic water heater.
"The old cottage still had a geyser fitted above the bath."
verb
1
To burst or spray upward violently, like water from a geyser.
"Oil geysered out of the broken pipe."
How to Use Geyser
Learner’s notesIn plain EnglishA natural hot spring that erupts periodically — or, in British English, a household water heater.
UK vs US
The "water heater" sense is chiefly British and somewhat dated; Americans use "geyser" only for the natural phenomenon.
Common pairings
geyser erupts
natural geyser
Word Forms
geysered past tense, geysers plural, geysers singular
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Tourists gathered to watch the _____ erupt on schedule.
Etymology
From Geysir, the name of a famous hot spring in Iceland, from the Old Norse verb geysa, "to gush."