(meteorology) The percentage or fraction of the sky obscured by clouds.

plural of tag cloud

(Internet) tag cloud

The act of firing munitions containing silver iodide at passing clouds to make them more likely to produce rain.

plural of storm cloud

The upper surface of a cloud

Alternative spelling of cloud seeding

(Internet) A visual depiction of a set of tags, typically used to describe the content of web sites and having the more significant tags shown in correspondingly larger text or a bolder font.

polar stratospheric cloud

plural of clouded leopard