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castile soap

noun, often capitalized C
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cas·​tile soap | \ (ˌ)ka-ˈstēl- How to pronounce castile soap (audio) \

Definition of castile soap

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

Examples of castile soap in a Sentence

Recent Examples on the Web Baking soda and castile soap are great de-greasers. — Allison Young, Good Housekeeping, "The Best Essential Oils to Add to Your Bath Routine — And How to Do It Safely," 20 Sep. 2018 Baking soda and castile soap are great de-greasers. — Allison Young, Good Housekeeping, "The Best Essential Oils to Add to Your Bath Routine — And How to Do It Safely," 20 Sep. 2018 Baking soda and castile soap are great de-greasers. — Allison Young, Good Housekeeping, "The Best Essential Oils to Add to Your Bath Routine — And How to Do It Safely," 20 Sep. 2018 Baking soda and castile soap are great de-greasers. — Allison Young, Good Housekeeping, "The Best Essential Oils to Add to Your Bath Routine — And How to Do It Safely," 20 Sep. 2018 Baking soda and castile soap are great de-greasers. — Allison Young, Good Housekeeping, "The Best Essential Oils to Add to Your Bath Routine — And How to Do It Safely," 20 Sep. 2018 Baking soda and castile soap are great de-greasers. — Allison Young, Good Housekeeping, "The Best Essential Oils to Add to Your Bath Routine — And How to Do It Safely," 20 Sep. 2018 Mildew remover: Mix 3 parts baking soda and 1 part castile soap into a paste. — Doreen Christensen, Sun-Sentinel.com, "Spring cleaning: Recipes for green cleaning products that cost pennies to make," 19 Mar. 2018 Secondly, the peppermint castile soap has a pleasant cooling sensation. — Joe Jackson, Outside Online, "We (and Drake) Love Dr. Bronner's," 10 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'castile soap.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of castile soap

15th century, in the meaning defined above

History and Etymology for castile soap

Middle English castell sope, from Castell Castile

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Time Traveler for castile soap

The first known use of castile soap was in the 15th century

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More Definitions for castile soap

castile soap

noun
cas·​tile soap | \ (ˌ)kas-ˌtēl- How to pronounce castile soap (audio) \

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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