backbenchEnglishOxford Dictionary of Englishbackbench /ˌbakˈbɛn(t)ʃ / ▸ adjective (in the UK) denoting or relating to a Member of Parliament who does not hold office in the government or opposition and who sits behind the front benches in the House of Commons: a revolt by backbench MPs.
EnglishOxford Dictionary of English
