диадема означава в английски

circlet [circlets]▼(ornament worn on the head)
noun
[UK: ˈsɜː.klɪt] [US: ˈsɝː.klɪt]

coronal [coronals]▼(crown or coronet)
noun
[UK: ˈkɒ.rənl] [US: kəˈro.ʊ.nəl]

coronet [coronets]▼(A small crown worn by a noble)
noun
[UK: ˈkɒ.rə.net] [US: kɒ.rə.ˈnet]

diadem [diadems]▼(ornamental headband)
noun
[UK: ˈdaɪə.dem] [US: ˈdaɪə.ˌdem]

tiara▼(ornamental coronet)
noun
[UK: tɪ.ˈɑː.rə] [US: ti.ˈɑː.rə]