Definition of "Virgilian"

This Virgilian diversion, together with the spectral thoughts incident to All Hallows’ Eve with its Witch-Sabbaths on the hills, produced in me last Monday night a Roman dream of such supernal clearness and vividness, and such titanic adumbrations of hidden horror, that I verily believe I shall some day employ it in fiction.

1927, H. P. Lovecraft, The Very Old Folk

Through Mr. Burroughs, he met the other future luminaries of the Beat Generation and became, in the words of Mr. Burroughs's biographer, Ted Morgan, “a sort of Virgilian guide to the lower depths.”

1990 June 10, Jan Herman, quoting Ted Morgan, “The Beatnick's Beatnick”, in The New York Times‎

Not a single extant Virgilian manuscript survives from the ninth century, despite the number of ninth-century manuscripts of Virgil's works and commentaries on his works.

2008, Jan M. Ziolkowski, Michael C. J. Putnam, The Virgilian tradition: the first fifteen hundred years‎, page 439