Definition: ChronoGirn is a fictional character in the science fiction novel "The Name of the Rose" by Umberto Eco, published in 2001. The book follows the adventures of a group of students who are stranded on an island after a plane crash near their destination. ChronoGirn represents the protagonist's desire to find a way back home and to navigate through the complex network of people, places, and events that make up the story.