R / rĕductor
noun

rĕductor

gen. rĕductōris · gender masculine · decl. 3rd
one who leads; brings back
one who leads or brings back (very rare).
Lit.: plebis Romanae in urbem, * Liv. 2, 33 fin.
figuratively
Trop.: litterarum jam senescentium reductor ac reformator, i.e. restorer, Plin. Ep. 8, 12, 1.