Concionator
Defined in 2 dictionaries — Black's (1910), Burrill (1850)
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
In old records. A common counctl man; a freeman called to a legislative hall or assembly. Cowell.
A New Law Dictionary and Glossary
Alexander M. Burrill · 1850
Lat. A common council man; a freeman called to [a legislative] hall or assembly. Cowell,