Venice soap

English

Noun

Venice soap (uncountable)

1. (now historical) A type of soap made from olive oil and soda.
   • 1780, Philip Thicknesse, The Valetudinarian's Guide to Bath:

     After the gall stones have passed, which ought to be certainly known, Venice soap, and the Bath Waters, keeping the body open at the same time, are most likely to prevent the concretion of a new quarry.