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Noun: castile soap
  1. A good hard soap made from olive oil and sodium hydroxide
Noun: Castile  ka'steel
  1. A region of central Spain; a former kingdom that comprised most of modern Spain and united with Aragon to form Spain in 1479
    - Castilla

Type of: district, dominion, soap, territorial dominion, territory

Part of: Espana, Kingdom of Spain, Spain

Encyclopedia: Castile soap

Castile, Ontario