Cosy

Definitions

1. A padded or knit covering put on an item to keep it warm, especially a teapot or egg.
   UK
2. A padded or knit covering for any item (often an electronic device such as a laptop computer).
   UK
3. A work of crime fiction in which sex and violence are downplayed or treated humorously, and the crime and detection take place in a small, socially intimate community.
   UK

Equivalents

CEFR level