Home › Words › V › voiskovoiskovoisko means A self-governing administrative community of Cossacks in the Russian Empire.EtymologyFrom Russian войско (vojsko, “host, army”).nounA self-governing administrative community of Cossacks in the Russian Empire.e.g.“n the latter two cases, the problem of finding people to fill out the voiskos was solved partly by the transfer of Cossacks from the Don, Orenburg and Zabaikal voiskos.” — 1987, Robert H. McNeal, Tsar And Cossack 1855-1914, page 21:Definitions & examples from Wiktionary (CC BY-SA 3.0).