The term "Yale lock" actually refers to a specific brand of lock, created by the Yale company in the 19th century. However, there are several synonyms that exist for this type of lock that are used in various parts of the world. In the UK, for example, the phrase "rim lock" or "night latch" is often used to describe this type of lock. In the US, the term "key-in-knob lock" or "cylindrical lock" is often used instead. There are also a number of other brands that produce similar locks, such as Chubb, Union, and CISA, which are often used interchangeably with the term "Yale lock".