What is the origin of 'sleep tight'?
Read moreOne of the mysteries of the English language finally explained.
noun
MusicAn informal instrumental composition of the 18th century, similar to a divertimento and often performed outdoors.
- ‘A cassation is akin to a divertimento; Mozart composed a few early in his career, but it is a relatively unusual genre.’
Origin
Late 19th century: from German Kassation ‘serenade’, from Italian cassazione.
