The Open Dictionary

geyser

noun

UK/ˈɡiː.zəʳ/
US/ˈɡaɪ.zɚ/

Definitions of geyser noun

  1. Countable

    A natural spring that intermittently ejects hot water and steam into the air.

    • Yellowstone National Park is famous for its spectacular geysers.

    • Tourists gathered to watch the geyser erupt.

    • The geyser shot a column of water high into the air during its eruption.

  2. Countable

    A device, especially an older type, that uses gas to heat water for household use.

    • The old apartment still had a gas geyser for hot water.

    • He had to fix his gas geyser because it was not working properly.

    • In the past, many households used gas geysers to heat water for showers.