- a crown
- an ornamental cloth headband worn as a crown
- royal power, authority, or dignity
Origin of diademMiddle English and Old French diademe from Classical Latin diadema from Classical Greek diad?ma, a band, fillet from dia-, through + Indo-European an unverified form demn, a band from base an unverified form de-, to bind from source Classical Greek dein
- A crown worn as a sign of royalty.
- Royal power or dignity.
transitive verbdi·a·demed, di·a·dem·ing, di·a·dems
Origin of diademMiddle English diademe from Old French from Latin diadēma from Greek band from diadein to bind around dia- dia- dein dē- to bind
1853 silver, pearl, and diamond diadem by Alexandre-Gabriel Lemonnier (1808-1884), owned by Empress Eugénie of France
(third-person singular simple present diadems, present participle diademing, simple past and past participle diademed)
From Old French diademe, from Latin diadēma, from Ancient Greek διάδημα (diadema, “band, especially worn around a tiara”), from διαδέω (diadeo, “bind around”).