I. cache 1 /kæʃ/ BrE AmE noun [countable]
[ Date: 1700-1800 ; Language: French ; Origin: cacher 'to press, hide' , from Vulgar Latin coacticare 'to press together' ]
1 . a number of things that have been hidden, especially weapons, or the place where they have been hidden
cache of
a cache of explosives
a large arms cache
2 . technical a special part of a computer’s memory that helps it work faster by storing information for a short time:
cache memory
II. cache 2 BrE AmE verb [transitive]
1 . to hide something in a secret place, especially weapons
2 . technical to store information in a computer’s memory for a short time