Today it means: An array of Russian military defensive fortifications (comprising minefields, dugouts, bunkers, trenches, dragon’s teeth, etc.) extending roughly eastward from Vasylivka on the Dnieper in Zaporizhzhia Oblast to Volnovakha in Donetsk Oblast, during the Russian invasion of Ukraine (ongoing since February 2022). Full definition →
Named after Russian Army General Sergey Surovikin, the commander (October 2022–January 2023) and then deputy commander (January–August 2023) of all Russian forces in the Ukraine. Compare Maginot Line.
Etymology from Wiktionary, CC BY-SA 4.0.