castile soap

noun, often capitalized C cas·tile soap \ (ˌ)kas-ˈtēl- \
Updated on: 31 Mar 2018

Definition of castile soap

: a fine hard bland soap made from olive oil and sodium hydroxide; also : any of various similar soaps

Recent Examples of castile soap from the Web

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Origin and Etymology of castile soap

Middle English castell sope, from Castell Castile


Medical Dictionary

castile soap

noun cas·tile soap \ (ˌ)kas-ˌtēl- \

medical Definition of castile soap

: a fine hard bland soap made from olive oil and sodium hydroxide; also : any of various similar soaps

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