crutchern.
/ˈkrʌtʃə/ Soap-boiling.
An apparatus in which the ingredients are stirred with a crutch.
ΚΠ
1885 Sci. Amer. 11 July 18 The soap is then pumped..into a crutcher, nearly like a milk churn, where it is mixed thoroughly.
This entry has not yet been fully updated (first published 1893; most recently modified version published online March 2018).
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n.1885