rain vortex
• noun
A large-scale architectural water feature engineered to allow water to fall in a continuous, swirling, cylindrical shape from an elevated opening.
"Tourists gathered around the massive rain vortex in the center of the terminal, mesmerized by the cascading water and synchronized light show."
A meteorological phenomenon consisting of a swirling, localized column or mass of rain driven by circular wind currents.
"The storm chasers tracked a rapidly developing rain vortex along the coastline, warning local ships of the sudden downdrafts."
Word Nuance & Usage
While it can meteorologically describe a swirling column of precipitation, the term is most famously recognized as a proper noun (the Rain Vortex) referring to the world's tallest indoor waterfall located at Jewel Changi Airport in Singapore.
Usage Trend
Historical frequency of usage in published text.