Source : Webster's Revised Unabridged Dictionary (1913)

Councilman \Coun"cil*man\ (koun`s?l-man), n.; pl. {Councilmen}
   (-men).
   A member of a council, especially of the common council of a
   city; a councilor.

Source : WordNet®

councilman
     n : a man who is a council member