The Collaborative International Dictionary of English v.0.48:
genocide \gen"o*cide\ n. The systematic killing of a racial or cultural group; as, the Nazi genocide of Jews left few in Germany or Poland after World War II. Syn: race murder, racial extermination. [WordNet 1.5]WordNet (r) 3.0 (2006):
genocide n 1: systematic killing of a racial or cultural group [syn: genocide, race murder, racial extermination]