Sentence:  Heard ye the din of battle <WSD>bray</WSD>, / Lance to lance, and horſe to horſe? / Long Years of havock urge their deſtined courſe, / And thro' the kindred ſquadrons mow their way. 
Meaning of the word marked with <WSD> tags:  To make a harsh, discordant sound like a donkey's bray.