from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. Simple past tense and past participle of diadem.
from The Century Dictionary and Cyclopedia
- In heraldry, surrounded or surmounted by a circle, like a halo or glory: applied to the eagle of the Holy Roman Empire, the two heads of which were anciently diademed to distinguish them from the similar bearings of other princes, which were simply crowned.
Sorry, no etymologies found.