Question

what does drapped in a curtain of rain mean​

Answer 1

Answer:

Drape sth across, on, over, etc. sth. to put something such as cloth or a piece of clothing loosely over something: He draped his jacket over the back of the chair and sat down to eat. She draped the scarf loosely around her shoulders.

Answer 2

Answer:

It means to cover completely with rain.