1. of or relating to King Arthur and the Knights of the Round Table;
The Collaborative International Dictionary of English v.0.48:
Arthurian \Ar*thu"ri*an\, a.
Of or pertaining to King Arthur or his knights. --J. R.
In magnitude, in interest, and as a literary origin,
the Arthurian invention dwarfs all other things in the
[Webster 1913 Suppl.]
WordNet (r) 3.0 (2006):
adj 1: of or relating to King Arthur and the Knights of the