The dreadfull Fish, that hath deseru'd the name / Of Death, and like him lookes in dreadfull hew, / The griesly Wasserman, that makes his game / The flying ships with swiftnesse to pursew .
a mythical sea-monster, being part-man, and thought to destroy ships
Расстановка переносов
a myth-i-cal sea-monster, be-ing part-man, and thought to de-stroy ships