the House of CommonsBrE/ðə ˌhaʊs əv ˈkɒmənz/NAmE/ðə ˌhaʊs əv ˈkɑːmənz/ (also the Com·mons) noun[sing. + sing./pl. v.](inBritainandCanada) thepartofParliamentwhosemembersareelectedbythepeopleofthecountry(英国)下议院;(加拿大)众议院[sing.]thebuildingwherethemembersoftheHouseofCommonsmeet下议院大楼➡ compareHouse of Lords