geyser /gāˈ, gēˈ or gīˈzər/

1. A spring that periodically spouts hot water and steam into the air
2. (usu /gēˈ/) an apparatus that heats domestic water as the tap is turned on

• under the sun
• under the table
• under the weather
• under the wire
• underthings
• underthirst
• underthirsts
• underthrust
• underthrusts
• undertime
• undertimed
• undertimes
• undertint
• undertints
• undertone
• undertoned
• undertones
• undertook
• under tow
• undertow
• under tow of vessels
• undertows
• undertrick
• under-tunic
• under-tunics