Sentence:  ... your iſle, which ſtands / As Neptunes Parke, ribb'd, and <WSD>pal'd</WSD> in / With Oakes vnſkaleable, and roaring Waters, / With Sands that will not bear your Enemies Boates, / But ſuck them vp to th' Top-maſt. 
Meaning of the word marked with <WSD> tags:  To enclose with pales, or as if with pales; to encircle or encompass; to fence off.