2 Words to use with entrail

Thus, on deceitful Etna's flow'ry side, Unfading verdure glads the roving eye; While secret flames, with unextinguish'd rage, Insatiate on her wasted entrails prey, And melt her treach'rous beauties into ruin.

What is this implement of warfare, Bill? What seed of fire within its entrails slumbers? Does it unfold at all?

2 Words to use with  entrail