"Constable. Very cute."
- - Odo (DS9: "The Passenger")
Constable was an unofficial title or affectionate nickname for Odo, the Chief of Security aboard Deep Space 9 (formerly known as Terok Nor).
A constable was a type of police officer as opposed to a military rank. Kira Nerys first used this nickname when she met Odo in 2365. (DS9: "Necessary Evil")