Pipino regi Francorum, omnis senatus, atque universa populi generalitas a Deo servatae Romanae urbis. Codex Carolin. epist. 36, in Script. Ital. tom. iii. pars ii. p. 160.
The names of senatus and senator were never totally extinct (Dissert. Chorograph. p. 216, 217); but in the middle ages they signified little more than nobiles, optimates, etc. (Ducange, Gloss. Latin.).