Dictionary.net

m[=u]-ra-t[=o]'ri-an, adj. pertaining to the Italian scholar Lodovico Antonio Muratori (1672-1750).--MURATORIAN FRAGMENT or CANON, a list of the New Testament writings, apparently drawn up by a contemporary of Irenæus, about 170 A.D., edited by Muratori. It counts four Gospels, Acts, thirteen Pauline epistles (excluding Hebrews), 1 John, then Jude; 2 and 3 John are reckoned among catholic epistles. The Apocalypse is included.

Of Muratori, Italian scholar, d. 1750; M. fragment or canon, earliest Western canon of N.T.