One versed in the rules and usages of Parliament or similar deliberative assemblies; as, an accomplished parliamentarian.
A person who advises a chairman or presiding officer about matters relating to parliamentary procedure.
an elected member of the British Parliament: a member of the House of Commons
an expert in parliamentary rules and procedures
a specialist in parliamentary procedure
A Senator or Member of the House of Commons.
Both the House and Senate have their own Parliamentarian and a team of assistant Parliamentarians. They advise the presiding officers and committee chairs on rules and procedures. A Parliamentarian is always present at the House or Senate rostrum to aid the Chair with any procedural or decorum problem. Parliamentarians are available to advise individual Members on technical matters, or to review motions and amendments before they are offered. In both chambers, the Parliamentarian decide referrals of a new bill to the appropriate committee for consideration, based on the rules and precedents of that body.
In the U.S. Congress, the official who, being an expert on House or Senate rules and procedures, assists the officers in legislative procedures, including the assignment of bills to appropriate committees.
A member of the Senate or the House of Commons. (See Senator or MP.) Senators and MPs.
An expert on the rules of parliamentary procedure, but much more than that—a parliamentarian is an expert on how to make organizations and meetings operate in a fair and efficient manner.