Sentence:  The thick and well-growne fogge doth matt my smoother shades, / And on the  lower Leas, as on the higher <WSD>Hades</WSD> / The daintie Clover growes (of grass the onely silke) / That makes each Udder strout abundantly with milke. 
Meaning of the word marked with <WSD> tags:  A slope;  the slope of a vein, fault or dike from the vertical; the complement of the dip.