Sentence:  The Turk prosecuted his advantage to the uttermost of his power; yet the other...not onely avoided the Turkes violence, but having drawne his Faulchion, pierced the Turke so under the <WSD>Culets</WSD> thorow backe and body, that although he alighted from his horse, he stood not long ere hee lost his head, as the rest had done. 
Meaning of the word marked with <WSD> tags:  A component of armor, consisting of overlapping plates designed to protect the buttocks.