Definitions for "Posleen"
Enemy aliens. Yellow-grey centauroids. Thirteen to fifteen hands high at the shoulder. Arms jut from a combination shoulder. Sauroid head with multiple teeth is mounted on a long, snake-like neck. "Hands" are four-fingered talons with an opposable talon, similar to a fish-eating bird of prey. Feet are foreshortened talons adapted for running and slashing.
Posleen are a fictional alien race, created by the Sci-Fi author John Ringo for his Legacy of the Aldenata series of books. The Posleen are a race of genetically engineered reptilian centaurs, supposedly designed by the long lost race - the Aldenata - to be the ultimate warriors.