Meaning of aerial root in English:
aerial root
noun
A plant root that grows in the air; especially a root of a climber that clings to its support, or a root of a mangrove that grows upwards to allow respiration.
Origin
Mid 19th century; earliest use found in John Lindley (1799–1865), botanist and horticulturist.
Are You Learning English? Here Are Our Top English Tips