ˈ ̷ ̷ ̷ ̷ˈ ̷ ̷ ̷ ̷ ̷ ̷ noun
( plural kings-in-parliament )
Usage: often capitalized K&P
: the collective legal entity composed of the British monarch and the two houses of parliament acting together that constitutes the supreme legislative authority of the United Kingdom
the lawmaking function is vested in the king-in-Parliament — F.A.Ogg & Harold Zink