Jadzia Dax is a fictional character from the television series Star Trek: Deep Space Nine. She is a joined Trill, meaning she carries the memories and experiences of previous hosts, including a male host named Curzon Dax. Jadzia serves as the station's science officer and is known for her intelligence, bravery, and strong sense of duty. Throughout the series, Jadzia develops close relationships with other characters, including Benjamin Sisko and Worf. Her unique perspective as a joined Trill allows her to contribute significantly to the crew's missions and challenges. Jadzia's character explores themes of identity, memory, and the complexities of life across different lifetimes.