parliamentarian
Concise Oxford English Dictionary © 2008 Oxford University Press:
parliamentarian/pɑːləmənˈteəriən/
▶noun
- 1 a member of a parliament, especially a person well versed in its procedure and debates.
- 2 (Parliamentarian) historical a supporter of Parliament in the English Civil War; a Roundhead.
– derivatives
parliamentarianism noun.
parliamentarianism noun.
'parliamentarian' also found in these Oxford entries:

