cache
noun [ C or U ]
IT, INTERNET uk/kæʃ/ usan area or type of computer memory in which information that is often in use can be stored temporarily, so that you can get to it quickly:
Set your browser so that the cache is automatically cleared out frequently.
cache
verb [ I or T ]
uk/kæʃ/ us IT, INTERNET
to store computer information temporarily so that a user can get to it quickly:
All browsers speed up your Web surfing by caching components of Web pages you access.