SCION Meaning of SCION in English n.1 (US cion) a shoot of a plant etc., esp. one cut for grafting or planting. 2 a descendant; a younger member of (esp. a noble) family. Etymology: ME f. OF ciun, cion, sion shoot, twig, of unkn. orig. Oxford English vocab. Оксфордский английский словарь. 2012