\Sen`a*to"ri*al\, a. [F. s['e]natorial, or L.
senatorius.]
1. Of or pertaining to a senator, or a senate; becoming to a
   senator, or a senate; as, senatorial duties; senatorial
   dignity.

2. Entitled to elect a senator, or by senators; as, the
   senatorial districts of a State. [U. S.]