Entry 1 sense Webster, 1913 Racovian /(rȧ*kō"vĭ*an)/ · Ra·co·vi·an · IPA /ɹəˈkəʊvɪən/ 01 n. One of a sect of Socinians or Unitarians in Poland. 1. One of a sect of Socinians or Unitarians in Poland.(Eccl. Hist.)