Umbrella An umbrella or parasol is a folding canopy supported by wooden or metal ribs, which is usually mounted on a wooden, metal, or plastic pole. It is designed to protect a person against rain or sunlight.
What is an alternative name for a hydrolaccolith, a mound of earth-covered ice found in the Arctic and subarctic that can reach up to 70 metres (230 ft) in height and up to 600 m (2,000 ft) in diameter?
