n.
Pronunciation: ' d ī - ə - ˌ dem, -d ə m
Function: noun
Etymology: Middle English diademe, from Anglo-French, from Latin diadema, from Greek diad ē ma, from diadein to bind around, from dia- + dein to bind; akin to Sanskrit d ā man rope
Date: 13th century
1 a : CROWN 2 specifically : a royal headband b : CROWN 6A(1)
2 : something that adorns like a crown