cache

[kash] /kæʃ/
noun
1.
a hiding place, especially one in the ground, for ammunition, food, treasures, etc.:
She hid her jewelry in a little cache in the cellar.
2.
anything so hidden:
The enemy never found our cache of food.
3.
Alaska and Northern Canada. a small shed elevated on poles above the reach of animals and used for storing food, equipment, etc.
verb (used with object), cached, caching.
4.
to put in a cache; conceal; hide.
Origin
1585-95; < French, noun derivative of cacher to hide < Vulgar Latin *coācticāre to stow away, orig. to pack together, equivalent to Latin coāct(us) collected (past participle of cōgere; see coactive) + -icā- formative v. suffix + -re infinitive ending
Can be confused
cache, cachet, cash.
Synonyms
2. hoard, stockpile, reserve, store. 4. secrete.
British Dictionary definitions for caches

cache

/kæʃ/
noun
1.
a hidden store of provisions, weapons, treasure, etc
2.
the place where such a store is hidden
3.
(computing) a small high-speed memory that improves computer performance
verb
4.
(transitive) to store in a cache
Word Origin
C19: from French, from cacher to hide
Word Origin and History for caches

cache

n.

1797, "hiding place," from French Canadian trappers' slang, "hiding place for stores" (1660s), a back-formation from French cacher "to hide, conceal" (13c., Old French cachier), from Vulgar Latin *coacticare "store up, collect, compress," frequentative of Latin coactare "constrain," from coactus, past participle of cogere "to collect" (see cogent). Sense extended by 1830s to "anything stored in a hiding place."

caches in Science
cache
  (kāsh)   
An area of computer memory devoted to the high-speed retrieval of frequently used or requested data.