[pro.fes.sor] n (14c) 1: one that professes, avows, or declares
2. a: a faculty member of the highest academic rank at an institution of higher education b: a teacher at a university, college, or sometimes secondary school c: one that teaches or professes special knowledge of an art, sport, or occupation requiring skill -- pro.fes.so.ri.al adj -- pro.fes.so.ri.al.ly adv -- pro.fes.sor.ship n