From The Collaborative International Dictionary of English v.0.48:
cache \cache\ (k[a^]sh), n. [F., a hiding place, fr. cacher to
conceal, to hide.]
1. A hole in the ground, or other hiding place, for
concealing and preserving provisions which it is
inconvenient to carry. --Kane.
[1913 Webster]
2. That which is hidden in a cache[2]; a hoard; a stockpile.
[PJC]
3. (Computers) A form of memory in a computer which has a
faster access time than most of main memory, and is
usually used to store the most frequently accessed data in
main memory during execution of a program.
[PJC]
From The Collaborative International Dictionary of English v.0.48:
cache \cache\ (k[a^]sh), v. t.
To store in a cache[1].
[PJC] Cachectic