Sentence:  It's a sort of disease. There's a scientific name for it. Trau- something. <WSD>Traumatic</WSD> symplegia, that's it. This cat has <WSD>traumatic</WSD> symplegia. In other words, putting it in simple language adapted to the lay mind, where other cats are content to get their eight hours, Augustus wants his twenty-four. 
Meaning of the word marked with <WSD> tags:  Of, caused by, or causing trauma.