Noun
a cache that stores copies of frequently used disk sectors in random access memory (RAM) so they can be read without accessing the slower disk
Source: WordNetThis specialized cache is called a translation lookaside buffer (TLB). citation Software caches Disk cache main While CPU caches are generally managed entirely by hardware, a variety of software manages other caches. Source: Internet
Disk cache stores data that has been recently read as well as adjacent blocks of data that are likely to be accessed soon. Source: Internet