The term 'CASABLANCA LADY' refers to the character Ilsa Lund, played by Ingrid Bergman in the 1942 classic film Casablanca. Ilsa is a beautiful and mysterious woman who is torn between her love for Rick Blaine (Humphrey Bogart) and her sense of duty to her husband, Victor Laszlo (Paul Henreid). She is a complex character who is both strong and vulnerable, and her story is one of the most iconic love stories in cinematic history.