noun

• (computing) 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.

verb

• (transitive) To place in a cache.
  "And here the adventurers went ashore, unloaded, turned their canoe bottom up in the shelter of thick brush, and cached their supplies temporarily on a pole scaffold, out of reach of prowling depredators."
• (transitive, computing) To store data in a cache.
  "In this case, it would not be ideal to use the full-page caching that the per-site or per-view cache strategies offer, because you wouldn't want to cache the entire result (since some of the data changes often), but you'd still want to cache the results that rarely change."
• (intransitive) To participate in geocaching.
• (transitive) To hide or seek a geocache.