Example: Parliament of England (both upper and lower houses).
Other terms with the same meaning and function: Legislative Branch, parliament, upper house, lower house, congress, senate.
See also, federal, local governments, primary texts, judiciary, executive in the primer on public law and regulation.
Adapted from Bryan A. Garner (eds), Black’s law Dictionary, 11th ed., 2019, West Group, ISBN: 978-1539229759