parliamentarian
nounOne who is expert in parliamentary procedures, rules, or debate.
A member of a parliament.
A supporter of the Long Parliament during the English Civil War and the Commonwealth; a Roundhead.
Of or pertaining to a parliament; specifically [capitalized], in English history, serving or adhering to the Long Parliament, in opposition to Kings Charles I. and Charles II.
A partizan of parliament; specifically [capitalized], in English history, a partizan of the Long Parliament, as distinguished from a Royalist or Cavalier.
