1 The other five, five sundry ways he set,
sundry > different
2 Against the five great bulwarks of that pile,
five great bulwarks > [five senses] pile > {Collection of lofty buildings, large building, castle}
3 And to each a bulwark did arrest,
arrest > ordain, entrust
4 To assail with open force or hidden guile, 5 In hope thereof to win victorious spoil. 6 They all that charge did fervently apply, 7 With greedy malice and importune toil,
greedy > eager, reckless importune > persistent, importunate
8 And planted there their huge artillery, 9 With which they daily made most dreadful battery.
battery > {Assault with many blows or missiles}