[ka-steel] 
| 1. | Spanish, Cas⋅ti⋅lla [kahs-tee-lyah, -yah] . 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. |
| Cas·tile (kās-tēl') A region and former kingdom of central and northern Spain. Autonomous from the tenth century, it joined with Aragon in 1479 after the marriage of Isabella and Ferdinand (1469), thus forming the nucleus of modern Spain. |
lyɑ