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Castile

American  
[ka-steel] / kæˈstil /

noun

  1. Spanish Castilla.  a former kingdom comprising most of Spain.

  2. Also called Castile soap.  a variety of mild soap, made from olive oil and sodium hydroxide.

  3. any hard soap made from fats and oils, often partly from olive oil.


Castile British  
/ kæˈstiːl, kasˈtiʎa /

noun

  1. a former kingdom comprising most of modern Spain: originally part of León, it became an independent kingdom in the 10th century and united with Aragon (1469), the first step in the formation of the Spanish state

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Sunday's vote will be followed by regional elections in Andalusia, Aragon, and Castile and Leon during the first half of 2026.

From Barron's Dec. 21, 2025

Fires have been concentrated in forested areas of northern Portugal and in Spain's north-western regions of Galicia, Asturias and Castile and León.

From BBC Aug. 27, 2025

The elder Thompson became a Black Lives Matter activist following the police killing of his friend, Philando Castile, in suburban St. Paul in 2016.

From Seattle Times Jun. 20, 2023

One by one they stepped forward to read the names of people who have died after a traffic stop, from Philando Castile in 2016 to Anderson last month.

From Los Angeles Times Feb. 19, 2023

Blanche of Castile took her place to his right, Jean de Joinville to his left.

From "The Inquisitor's Tale" by Adam Gidwitz

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