Sentence:  Still let me walk; for oft' the ſudden Gale / Ruffles the Tide, and ſhifts the dang'rous Sail, / Then ſhall the Paſſenger, too late, deplore  / The <WSD>whelming</WSD> Billow, and the faithleſs Oar; [...] 
Meaning of the word marked with <WSD> tags:  To bury, to cover; to engulf, to submerge.