Sentence:  Given the many instances of real-life <WSD>multicameral</WSD> institutions and the speculative and atheoretical nature of the literature that portrays power relationships among them, it seems worthwhile to try to develop a deeper and more general understanding of the manner in which they share power that clarifies "discrepancies" such as those considered above. 
Meaning of the word marked with <WSD> tags:  Involving three or more special interest groups or viewpoints.