Sentence:  [W]e can't without wonder remember that horrid Invention projected in this place, but thanks be to God diſappointed, wherein there was not Reverence to the ſacred Bones of Princes, but all were at one blaſt to be offer'd up to <WSD>"Moloch</WSD>". 
Meaning of the word marked with <WSD> tags:  A person or thing demanding or requiring a very costly sacrifice.