Green’s Dictionary of Slang

stash n.1

1. in fig. use, a halt.

2. [1910s+] any form of cache.

3. attrib. use of sense 1.

4. [1920s+] (US) money.

5. [1920s+] (orig. US, also stach) a hiding place.

6. [1930s+] (drugs, also sach, stasch) a hiding place for drugs.

7. [1930s+] (drugs) a cache of any drug, esp. cannabis.

8. [1940s+] a place (to stay).

In compounds

stash catcher (n.) (also catcher)

[1980s+] (drugs) one who stands outside a window to catch drugs that are thrown out during a police raid .

stash-house (n.)

[1990s+] (US drugs) a place where a drug dealer can store a cache of drugs; also attrib.

stash pad (n.) [pad n.2 (2)]

[1980s+] (drugs) a room, apartment or house where drugs are stored.

In phrases