Home › Words › R › reginacidereginacidereginacide means one who kills a queen.EtymologyFrom Latin rēgīna (“queen”) + -cide.nounOne who kills a queen.e.g.“However, my old enemy, Miss [Edith] Sitwell, is now enthroned. I was not at the coronation, I am not among her subjects. But I have no inclination left to be a reginacide or even a jeering republican.” — 1950, Geoffrey Grigson, The Crest on the Silver: An Autobiography, London: Cresset Press, page 167:The killing of a queen (female monarch or wife of a king).e.g.“[A sketch of Edward Oxford’s attempted assassination of Queen Victoria.]” — 1840, The Reginacide, or, An Attack on the Constitution, London: H. Hilliard, […]:The killing of a queen (reproductive female insect).Definitions & examples from Wiktionary (CC BY-SA 3.0).