noun
House of Councillors Budget Committee
Refers specifically to the Budget Committee of the upper house of Japan's National Diet. Often encountered in political news contexts.
See also: 予算委員会
参院予算委員会で補正予算案が審議された。
The supplementary budget bill was deliberated at the House of Councillors Budget Committee.
予算委員会 is the generic Budget Committee, which can refer to either the House of Representatives or House of Councillors committee. 参院予算委員会 explicitly specifies the upper house.
Compound of 参院 (House of Councillors) + 予算 (budget) + 委員会 (committee).