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]

The Collaborative International Dictionary of English v.0.48:

cache \cache\ (k[a^]sh), v. t.
   To store in a cache[1].
   [PJC] Cachectic