Sentence:  The God, inſulting with ſuperiour Strength, / Fell heavy on him, plung'd him in the Sea, / And, with the Stern, the Rudder tore away, / Headlong he fell, and, ſtrugling in the <WSD>Main</WSD>, / Cry'd out for helping hands, but cry'd in vain: ... 
Meaning of the word marked with <WSD> tags:  The high seas. (from 16th c.)