KZIN Share definition Flag A feline-evolved humanoid alien that---hell, nobody but sci-fi geeks would ever need to know this and most of them already do... My own bowels turned to icewater as I watched the bloodied Kzin warrior spreading and shredding my crewmate's steaming entrails. KZIN by kzinticat October 5, 2003 0 0 Get merch