Sentence:  But by the tracing procedure , he could , in a strange obviously kinesthetic manner , find the unseen form ; could piece , as it were , the jumbled <WSD>mass</WSD> together into an organized whole and then recognize it as a man or a triangle or whatever it turned out to be . 
Meaning of the word marked with <WSD> tags:  an ill-structured collection of similar things (objects or people)