parliamentarians

noun

1. 1

   A member of a parliament, congress or an elected national legislative body of another name.

2. 2

   A person well-versed in parliamentary procedure.

3. 3

   An officer in most legislative bodies charged with being well-versed in the parliamentary rules of that legislative house, and whose rulings are taken as authoritative, to be appealed only to the whole of the house itself under special rules.