dispart > divide, cleave asunder
4 Her bleeding breast, and riven bowels gored,
riven > split, torn open bowels > heart, breast gored > wounded, pierced, spiked
5 Was closed up, as it had not been bored,
as > [as if] bored > pierced; hence: made
6 And every part to safety full sound,
full > very
7 As she were never hurt, was soon restored:
As > [As though] soon > straightway
8 Tho when she felt herself to be unbound,