Green’s Dictionary of Slang

witcher adj.

also wicher
[? white adj. (1)+ SE silver]

(UK Und.) silver.

[Ire]Head Canting Academy (2nd edn) 181: Witcher Silver.
[UK]B.E. Dict. Canting Crew [as cit. 1674].
[UK]J. Shirley Triumph of Wit.
[UK]New Canting Dict. [as cit. 1674].
[UK]Bailey Universal Etym. Eng. Dict. [as cit. 1674].
[UK]Scoundrel’s Dict. 19: Silver – Witcher.
[UK]Grose Classical Dict. of the Vulgar Tongue n.p.: Witcher, silver. witcher bubber; a silver bowl, witcher tilter; a silver-hilted sword, witcher cully; a silversmith.
[UK]Lex. Balatronicum [as cit. 1785].
[UK]Egan Grose’s Classical Dict. of the Vulgar Tongue.
[US]Matsell Vocabulum.

In compounds

witcher(-bubber) (n.) (also wicher-bubber, witcher-cheat) [bubber n.1 (2)]

(UK Und.) a silver bowl.

[Ire]Head Canting Academy (2nd edn) 181: Witcher-bubber A Silver Bowl.
[UK]B.E. Dict. Canting Crew n.p.: Witcher, c. Silver. Witcher-bubber, a Silver-bowl. The Cull is pik’d with the Witcher-bubber, c. the Rogue is marched off with the Silver-Bowl.
[UK]J. Shirley Triumph of Wit.
[UK]New Canting Dict. [as cit. c.1698].
[UK]Bailey Universal Etym. Eng. Dict. [as cit. c.1698].
[UK]Canting Academy, or the Pedlar’s-French Dict. 117: A Silver Tankard A Witcher Cheat.
[UK]Grose Classical Dict. of the Vulgar Tongue.
[UK]Lex. Balatronicum.
[UK]Egan Grose’s Classical Dict. of the Vulgar Tongue.
[UK]Flash Dict. in Sinks of London Laid Open 129: Whither [sic], silver bowl.
[Aus]Crowe Aus. Sl. Dict. 96: Witcher Bubber, a silver bowl.
witcher-tilter (n.) [tilter n.]

(UK Und.) a silver-hilted sword.

[Ire]Head Canting Academy (2nd edn).
[UK]B.E. Dict. Canting Crew n.p.: Witcher-tilter c. a Silver-hilted Sword. He has bit, or drawn the Witcher-tilter, c. he has Stole the Silver-hilted Sword.
[UK]New Canting Dict. [as cit. c.1698].
[UK]Bailey Universal Etym. Eng. Dict. [as cit. c.1698].
[UK]Grose Classical Dict. of the Vulgar Tongue.
[UK]Lex. Balatronicum.
[UK]Egan Grose’s Classical Dict. of the Vulgar Tongue.