(1):

(a.) Of or pertaining to the Tractarians, or their principles.

(2):

(n.) One of the writers of the Oxford tracts, called "Tracts for the Times," issued during the period 1833-1841, in which series of papers the sacramental system and authority of the Church, and the value of tradition, were brought into prominence. Also, a member of the High Church party, holding generally the principles of the Tractarian writers; a Puseyite.