Fictional CharacterFictional (Trill)Fictional — Star Trek: Deep Space Nine

Dax

Joined Trill science officer from Star Trek: Deep Space Nine

Biography

Dax is a central character in the television series 'Star Trek: Deep Space Nine' (1993-1999), portrayed initially by Terry Farrell as Jadzia Dax and subsequently by Nicole de Boer as Ezri Dax. The character represents one of Star Trek's most innovative and complex creations—a joined Trill, meaning the Dax symbiont (a long-lived sentient being) lives inside a humanoid host and shares consciousness with them. This unique biology allows Dax to possess the memories and personalities of all previous hosts, creating a character with multiple identities and centuries of lived experience. Jadzia Dax was a significant character throughout the series, serving as the science and operations officer aboard the space station Deep Space Nine, and her relationships, particularly with the Klingon character Worf, became major storylines. When Jadzia was killed in the final season, the Dax symbiont was joined with a new host, Ezri, continuing the character's journey. Dax stands as an example of Star Trek's exploration of identity, consciousness, and what it means to be human, offering philosophical depth alongside action and adventure.

The Name Dax

The character Dax has introduced the name to science fiction enthusiasts and Star Trek fans, making it recognizable in popular culture as a unique, gender-neutral name with futuristic associations.

Quick Facts
Category

Fictional Character

Nationality

Fictional (Trill)

Created

1993

Appears In

Star Trek: Deep Space Nine

Thinking about the name

Dax

American origin

A short, punchy modern name with unclear exact origins, though some suggest it may derive from a surname or place name. Dax gained pop culture recognition through Star Trek: Deep Space Nine, where it became associated with intelligence and uniqueness. The name's brevity and strong 'x' ending give it contemporary edge and memorability.