(astronomy) A large and relatively dense cloud of cold gas and dust in interstellar space from which new stars are formed

(idiomatic) In a state of elation; very happy; blissful.

The altitude of the base of a mass of cloud; measured by a ceilometer.

plural of point cloud

plural of star cloud

(meteorology) Stratocumulus.

plural of tag cloud

(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.

plural of thunder cloud

(music) A subgenre of hip-hop music characterised by airy or atmospheric production.