http://www.webopedia.com/TERM/c/cache.html
Cache (Pronounced cash,)
n.
"A special high-speed storage mechanism. It can be either a reserved section of main memory or an independent high-speed storage device. Two types of caching are commonly used in personal computers: memory caching and disk caching.
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"When data is found in the cache, it is called a cache hit, and the effectiveness of a cache is judged by its hit rate. Many cache systems use a technique known as smart caching, in which the system can recognize certain types of frequently used data. The strategies for determining which information should be kept in the cache constitute some of the more interesting problems in computer science."
Additional meaning
v.
To cache a piece of data to (place it in) fast access computer memory, or to cache (move a snapshot of) a Web page to disk for faster retrieval on future calls of that particular page. The act of caching.
The English word pronounced "kashay" has a different spelling, and definition, as follows.
ca·chet (kă-shā')
n.
A mark or quality, as of distinction, individuality, or authenticity: “Federal courts have a certain cachet which state courts lack” (Christian Science Monitor).
A seal on a document, such as a letter.
A commemorative design stamped on an envelope to mark a postal or philatelic event.
A motto forming part of a postal cancellation.
A kind of wafer capsule formerly used by pharmacists for presenting an unpleasant-tasting drug.
[French, from Old French, from cacher, to press. See cache.]
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