/ kæʃ; NAmE / noun , verb
■ noun
1.
a hidden store of things such as weapons :
an arms cache
2.
( computing ) a part of a computer's memory that stores copies of data that is often needed while a program is running. This data can be accessed very quickly.
■ verb [ vn ]
1.
to store things in a secret place, especially weapons
2.
( computing ) to store data in a cache :
This page is cached.
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WORD ORIGIN
late 18th cent.: from French , from cacher to hide.