Sentence:  In situations of low ministerial turnover and increased professionalisation of politics, with most TDs regarding politics as a career, Taoisigh could find that impatience on the <WSD>backbenches</WSD> leads to calls for leadership turnover to effect promotions. 
Meaning of the word marked with <WSD> tags:  In a house of legislature following the model of the Westminster system (such as the UK House of Commons), any bench behind either of the front benches and occupied by rank-and-file members.