back·bench 
/ˈbækˈbɛntʃ/ noun
plural back·bench·es /ˈbækˈbɛntʃ/ noun [count] Brit : a seat in the British Parliament that is held by an ordinary member
▪ the Prime Minister's supporters on the backbenches — often used before another noun ▪ backbench conservative MPs — compare front bench
▪ the Prime Minister's supporters on the backbenches — often used before another noun ▪ backbench conservative MPs — compare front bench
— back·bench·er /ˈbækˈbɛntʃɚ/ noun, plural back·bench·ers [count]
▪ Labour backbenchers
/ˈbækˈbɛntʃɚ/ noun, plural back·bench·ers [count] ▪ Labour backbenchers
