There are 2 main definitions of stash in English:

stash1

Line breaks: stash
Pronunciation: /staʃ
 
/
informal

verb

[with object and adverbial of place]
Store (something) safely in a secret place: their wealth had been stashed away in Swiss banks
More example sentences
  • American authorities have scaled back the estimates of how much treasure was looted from Iraq's National Museum after discovering that museum officials have been stashing items in secret vaults for at least 13 years.
  • One of Clayton's later experiments with the resourceful jays involved observing how they behaved when stashing food in caches that might be robbed by other birds.
  • A 50-year-old retired petty criminal has been jailed after stashing a pump-action shotgun for a ‘hit man’.
Synonyms
store, stow, pack, load, cache, garner, hide, conceal, secrete;
hoard, put aside, set aside, put by, lay by, lay aside, save, stockpile, keep in reserve, reserve, deposit, keep, put by for a rainy day

noun

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1A secret store of something: the man grudgingly handed over a stash of notes
More example sentences
  • It's no wonder that the way some people handle it is to have a stash of secret savings hidden from their partner as some kind of insurance.
  • Blithe references are made to jet setting from one US city to the next, and accessing a stash of lucre in a secret Swiss bank account.
  • A search of his home turned up a stash of replica guns, which investigators presumed were stored for use in framing suspects.
Synonyms
1.1A quantity of an illegal drug, especially one kept for personal use: one prisoner tried to swallow his stash
More example sentences
  • She says he asked for marijuana, but she did not have any, and she dug into her illegal stash of crystal meth instead.
  • It's not clear just how much Meth Smith had in her illegal stash, but presumably if police found even a small amount she could have been prosecuted.
  • Drugs officers found a stash of illegal substances at his Thai girlfriend's home in the resort of Pattaya, 120 miles east of Bangkok, last year.
2 dated A hiding place or hideout.
More example sentences
  • Susan Sontag went to see Philip Johnson, the New York architect, or rather she ‘moseyed along to his stash on Park’.

Origin

late 18th century: of unknown origin.

Definition of stash in:

There are 2 main definitions of stash in English:

stash2

Line breaks: stash
Pronunciation: /staʃ
 
/

noun

US informal
A moustache.
More example sentences
  • Sandy is a superannuated swinger, complete with stash, burns and a 17-year-old hippie on his arm.

Origin

1940s: shortened form.

Definition of stash in: