Sentence:  [A]nd if thou entreate me not the fayrer, (hope of amendment preventeth many ruines) truſt me, I will batter thy carrion to dirt, whence thou camſt, and ſquiſe thy braine to <WSD>ſnivell</WSD> whereof it was curdled; ... 
Meaning of the word marked with <WSD> tags:  Nasal mucus; snot.