gejser

noun
  1. A natural hot spring that intermittently ejects a column of water and steam into the air. noun
    The gejser erupted with a spectacular display of water and steam.
    Tourists gathered around the gejser to witness its powerful eruption.
  2. A device used for heating water, typically for domestic use. noun
    The gejser in the bathroom ensures we have hot water for showers.
    We installed a new gejser to improve the efficiency of our water heating system.