Meaning

• A store of things that may be required in the future, which can be retrieved rapidly, protected or hidden in some way.

  "Members of the 29-man Discovery team laid down food caches to allow the polar team to travel light, hopping from food cache to food cache on their return journey."

• A fast temporary storage where recently or frequently used information is stored to avoid having to reload it from a slower storage medium.

• (geocaching) A container containing treasure in a global treasure-hunt game.

Meaning

• To place in a cache.