Sentence:  The beauteous "Love-Eye" burning in the Heart; / From whence Loves Centres endless multiply, / As <WSD>thick-set</WSD> Spangles of the Sky, / Raising a Sting of Joy in ev'ry Part. 
Meaning of the word marked with <WSD> tags:  Densely crowded together; made up of things that are densely crowded together; closely planted.