re·​al | rā-ˈäl . Definition of real (Entry 4 of 5) 1 plural reais ˈrāsh , ˈrās , ˈrāzh , ˈrāz or reis also reals : the basic monetary unit of Brazil — see Money Table. 2 plural reales or reis ˈrāsh , ˈrās , ˈrāzh , ˈrāz : a former monetary unit and coin of Portugal.