Sentence:  [Suffolk, York and Beaufort] / Have all limed bushes to betray thy wings, / And, fly thou how thou canst, they'll tangle thee: / But fear not thou, until thy foot be snared, / Nor never seek <WSD>prevention</WSD> of thy foes. 
Meaning of the word marked with <WSD> tags:  Anticipation; especially, anticipation of needs, wishes, hazards and risks