dictum dictum /ˈdɪktəm/

noun

1. () An authoritative declaration  ( say-so , dictum , pronouncement )
   an authoritative declaration
   
2. (law) an opinion voiced by a judge on a point of law not directly bearing on the case in question and therefore not binding  ( dictum , obiter dictum )
   (law) an opinion voiced by a judge on a point of law not directly bearing on the case in question and therefore not binding