Farmers Slang & Its Analogues. 18901909, rev. 2022.
Sank
or sanky, centipers, subs. (old).A soldiers tailor (GROSE): whence SANK-WORK (see quot).
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185161. H. MAYHEW, London Labour and the London Poor, i. 377. Shes gone almost as blind as myself working at the SANK WORK (making up soldiers clothing).