square script UK /ˈskwɛː(ɹ)skɹɪpt/US /ˈskwɛɚ skɹɪpt/ noun2 •A script type used for Aramaic and Hebrew among other languages, derived from the ancient Aramaic alphabet, as opposed to types that are closer to the Phoenician alphabet. •ʼPhags-pa script, a vertically written Mongolian script.