noun
Speaker of the House
Refers to the presiding officer of a lower house of a legislature, such as the US House of Representatives or the UK House of Commons.
米国の下院議長は大統領継承順位の第2位です。
The Speaker of the US House is second in the presidential line of succession.
Refers to the presiding officer of the upper house (Senate). In the US, the Vice President serves as President of the Senate.
Compound of 下院 (lower house) + 議長 (chairperson, speaker).