Sentence:  Wrath-kindled gentlemen, be ruled by me; / Let's purge this choler without letting blood: / This we prescribe, though no physician; / Deep malice makes too deep <WSD>incision</WSD>; 
Meaning of the word marked with <WSD> tags:  A cut, especially one made by a scalpel or similar medical tool in the context of surgical operation; the scar resulting from such a cut.