1. [18C+] (also wage) silver, money in general.
2. [18C–1910s] silver plate.
3. [mid-18C] (UK Und.) a silver buckle.
4. [late 19C] (UK Und.) a receiver [? backsl. Jew; ? the silver plate was melted down into wedges by receivers].
5. [1970s+] a thick, chunky roll of banknotes, usu. folded in half; thus a large amount of money or wealth in general.
6. in specific use of sense 5, a bribe.
[mid-19C–1900s] (UK Und.) a thief specializing in silver plate and silver watches.
[late 19C] (UK Und.) stealing silver-plate or silver watches.
[19C] (UK Und.) to dispose of one’s ‘swag’ or booty.
1. [early 19C] abundant in silver, e.g. of table decorations.
2. [1990s+] (also wedged up) well-off, rich.
1. [2000s] to amass money.
2. to hand over money.
SE in slang uses
[1940s–50s] (US) a general term of abuse; thus wedge-assed adj.
[1990s+] one who has a ‘wedge’ haircut; also attrib.