noun
parliamentary seat; legislative seat
Refers to a seat or mandate in a parliament, assembly, council, or similar elected body. Often used with verbs such as 得る, 獲得する, 失う, 増やす, and 減らす.
与党は選挙で議席を増やした。
The ruling party increased its number of seats in the election.
その政党は過半数の議席を獲得した。
The party won a majority of the seats.
A Sino-Japanese compound of 議, associated with deliberation or discussion, and 席, meaning seat or place. The compound is conventionally used for a seat in a legislative body.