# Castile soap

> English word · Noun

## Definitions
1. A kind of fine, hard, white or mottled soap, originally made with olive oil.

## Etymology
Originates from Castile in Spain.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/castile-soap