Nimbus, e.g. (5)
I believe the answer is:
cloud
(Other definitions for cloud that I've seen before include "Obscure" , "Make less clear" , "Become less transparent" , "Nebula" , "Cover" .)
I believe the answer is:
cloud
(Other definitions for cloud that I've seen before include "Obscure" , "Make less clear" , "Become less transparent" , "Nebula" , "Cover" .)