The usual Old English word for cloud was weolcan. In Middle English, skie also originally meant cloud. The four fundamental types of cloud classification (cirrus, cumulus, stratus, nimbus) were proposed by British amateur meteorologist Luke Howard (1772-1864) in 1802. Figuratively, as something that casts a shadow, from early 15c.; hence under a cloud (c.1500).
Thanks for the A2A. Okay, the most famous song in the world is no doubt 'Happy Birthday', followed by various Christmas carols (since the majority of human population is Christian indeed and since Santa is a really famous guy), folk songs, army marches and national anthems.
It is often noted as an exemplar of the psychedelic rock genre, and was ranked by Rolling Stone Magazine as the 47th greatest song of all time, ranked above such classics as Johnny Cashâs Ring of Fire and the Eaglesâ Hotel California. View the cover versions of these 10 songs at our YouTube Playlist.