- sovereign, crowned head, monarch - a nation's ruler or head of state usually by hereditary right
--1 is a kind of ruler, swayer; head of state, chief of state
--1 has particulars:Capetian; Carolingian, Carlovingian; czar, tsar, tzar; Emperor; king, male monarch; Merovingian; Shah, Shah of Iran; Hanoverian - monarch, monarch butterfly, milkweed butterfly, Danaus plexippus - large migratory American butterfly having deep orange wings with black and white markings; the larvae feed on milkweed
--2 is a kind of danaid, danaid butterfly
--2 is a member of Danaus, genus Danaus