di ‧ a ‧ dem /ˈdaɪədem/ BrE AmE noun [countable] literary
[ Date: 1300-1400 ; Language: Old French ; Origin: Greek diadein 'to tie around' ]
a circle of jewels that a queen, princess etc wears on her head
di ‧ a ‧ dem /ˈdaɪədem/ BrE AmE noun [countable] literary
[ Date: 1300-1400 ; Language: Old French ; Origin: Greek diadein 'to tie around' ]
a circle of jewels that a queen, princess etc wears on her head
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012