An alternative or poetic name for Excalibur, the legendary sword of King Arthur, sometimes used in fantasy literature and medieval romance.
A variant spelling of Excalibur, possibly influenced by the Welsh 'Caledfwlch.' The name appears in medieval texts and modern fantasy works as a different version of the famous sword name.
Medieval writers couldn't agree on how to spell Excalibur, so different versions like Caliburn appeared in different manuscripts—historians are still debating which spelling came first and what it really means in the original languages!
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