What does castile soap mean?

castile soap meaning in General Dictionary

A kind of fine tough white or mottled detergent made out of essential olive oil and soda also a soap made in imitation of this above described detergent

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  • a beneficial tough detergent produced from coconut oil and salt hydroxide
  • some sort of good, difficult, white or mottled soap, fashioned with olive oil and soft drink; additionally, a detergent built in imitation associated with the above-described detergent.