1. dullahan - Noun
2. Dullahan - Proper noun
dullahan (plural dullahans)
A black-clad (usually male) horserider in Irish folklore which carries its severed head like a lantern and may be repelled by gold; when it stops riding (or calls out someone's name), someone will die. (Also called the Gan Ceann, Irish for "[one] without a head".)
Dullahan (plural Dullahans)
Alternative letter-case form of dullahan
Dullahan
A surname from Irish.
In the battle against the Dullahan, it is revealed that Aqua has flood level water magic. Source: Internet