Reign/reɪn/ Definition 1 of 4Pro Tip 1/3Historical Context Typically used regarding royalty or monarchs from history. During the Tudor reign, England became a powerful nation. Pro Tip 2/3Metaphorical Use Sometimes used metaphorically for control in specific areas, not just countries. She reigned over the fashion industry with her innovative designs. Pro Tip 3/3Current Leadership Can describe the rule of present-day leaders. The president reigns during a period of economic stability.