subtile > subtle; sly, cunning (cf. 106.5:2) engines > machines, contrivances; siege-engines sleight > skill; artifice, ruse

3 Is undermined from the lowest ground, 4 And its foundation forced, and enfeebled quite, 5 At last down falls, and with its heaped height 6 Its hasty ruin does more heavy make,

ruin > {The act of collapse of a building, etc.} heavy > heavy; grave; thunderous

7 And yields itself to the victor's might: 8 Such was this giant's fall, that seemed to shake 9 The steadfast globe of earth, as it for fear did quake.

steadfast > (Cf. 108.8:7-9) as > [as if]

108.24

The knight then lightly leaping to the pray,
2 With mortall steele him smot againe so sore,
That headlesse his vnweldy bodie lay,
4 All wallowd in his owne fowle bloudy gore,
Which flowed from his wounds in wondrous +store,+
6 But soone as breath out of his brest did pas,
That huge great body, which the Gyaunt bore,
8 Was vanisht quite, and of that monstrous mas
Was nothing left, but like an emptie bladder was.

5 store, > store. 1590; store: 1609

1 The knight, then lightly leaping to the prey,

lightly > lightly; quickly