[f. WALL v.1 + -ER1.] In the Cheshire salt-works, a brine-boiler, a worker who attends to the salt-pans. Also lead-waller (cf. lead-walling, LEAD sb.1 12).
1600. Camden, Brit. (ed. 5), 543. Et muliercule (Wallers vocant) rastellis ligneis é fundo salem educunt.
1886. Cheshire Gloss., Lead-wallers, commonly abbreviated to Wallers. Waller, a salt-maker or boiler. At present the men call boilers those who make stoved and butter-salt, and the others wallers.
1892. Labour Commission, Gloss., Waller, a local term, applied to salt boilers, i.e., those who look after the boiling of the salt. It is applied to the men who look after the making of any white salt, whether the pan is required to boil or not.