Lambda (classification)
From Memory Alpha, the free Star Trek reference
Mirror Universe
(coexisting on another dimensional plane)
(coexisting on another dimensional plane)
In the mirror universe, lambda was a classification of Terran slaves. It was lower than the Theta classification.
In 2370, Intendant Kira had a rebellious slave reclassified as a Lambda and sent to the mines, although Elim Garak wanted to interrogate him first. (DS9: "Crossover")
