In countries where the legislature or parliament is divided into two groups of members, thelower house is usually the larger and more representative group.
At least 15 different parties have won seats in the lower house of the Parliament.
lower house in British English
noun
one of the two houses of a bicameral legislature: usually the larger and more representative house
Also called: lower chamber. Compare upper house
lower house in American English
[oftenL- H-]
in a legislature having two branches, that branch which is usually larger and more representative, as the House of Representativesof the U.S. Congress