Sentence:  I will not poyſon thee with my attaint, / Nor <WSD>fold</WSD> my fault in cleanly coin'd excuſes, / My ſable ground of ſinne I will not paint, / To hide the truth of this falſe nights abuſes. 
Meaning of the word marked with <WSD> tags:  To cover or wrap up; to conceal.