Regius professorRe·gius professor
any of the professors at certain British universities who hold chairs founded by the Crown
Origin of Regius professorModern Latin ; from Classical Latin regius, royal ; from rex (gen. regis), a king: see right
One holding a professorship established by royal subsidy at any of certain older British universities.
Origin of regius professorFrom Latin rēgius, royal, from rēx, rēg-, king; see reg- in Indo-European roots.