[SOAP sb. Cf. Du. zeepzieder, G. seifensieder.]
1. One who boils (the ingredients of) soap; a soap-maker, soap-manufacturer.
1594. Plat, Jewell-ho., 77. A wise, wealthie, and ancient Sopeboyler, dwelling without Algate.
1651. French, Distill., iii. (1653), 78. Quench them in the strongest Lixivium that Sope-boylers use.
1661. Evelyn, Fumifugium (1825), 220. Brewers, diers, salt and sope-boylers, and some other private trades.
1712. Addison, Spect., No. 488, ¶ 1. I have a Letter from a Soap-boiler, who condoles with me [etc.].
1752. Foote, Taste, II. A Bristol farthing, coind by a soap-boiler to pay his journeymen, in the scarcity of cash.
1838. Lytton, Alice, VI. iv. The whisper spread among bankers and brewers and soap-boilers and other rich people.
1879. Cassells Techn. Educ., I. 331/2. There is an increasing demand for it [sc. caustic soda] on the part of bleachers and soap boilers.
transf. 1877. Bagehot, Biogr. Studies (1881), 316. Some of the middle-aged men of business, the soap-boilers, as the London world disrespectfully calls them.
b. In collocations (cf. SOAPER 1 c).
1707. Mortimer, Husb. (1721), I. 291. Take Soap-boylers Liquor or Lee which is very sharp and strong.
1815. J. Smith, Panorama Sci. & Art, II. 451. The common bottle-glass is made with soap-boilers waste ashes.
18346. Encycl. Metrop. (1845), VIII. 475/2. Green Bottle Glass is commonly made of soap-boilers waste and sand.
2. A pot used for boiling soap; a soap-pan.
1863. W. C. Baldwin, Afr. Hunting, vi. 152. The only utensil we could hit upon that was big enough to cook him in was a soap-boiler, which he just fitted.
1875. Knight, Dict. Mech., 2233/1. A soap-boiler having a large pipe which receives the vapors rising from the kettle.