Определение second chamber в Английский Язык Английский Язык словарь
{i} (UK) upper house, one of two branches in a bicameral legislature (usually the one that is less representative and has fewer members)
The second chamber is one of the two groups that a parliament is divided into. In Britain, the second chamber is the House of Lords. In the United States, the second chamber can be either the Senate or the House of Representatives