cloudform

noun

1. The type or shape of a cloud.“This article which was a sketchy summary of my investigations, contains also the laws of the motions of the lower cloudforms, such as cumulus, cumulo-stratus, conus.”
2. A collection of particles condensed into a cloud.“The flyer or gliding pilot knows well the rising air current under cumulus bursts; their flat bottoms show the exact cold-air level at which condensation into cloudform took place.”
3. A depiction of a cloud or something resembling a cloud.“A sober breadth of treatment and massive dignity of cloudform distinguish “ Evening,” by Mr. J. Olsson, who seems never unmindful of the great importance of the sky in a picture, as too many painters often are.”