Sentence:  ... the kings enimies were vanquished, and put to flight, in which flight, the earle of Dowglas, for hast, falling from the crag of an hie mounteine, brake one of his <WSD>cullions</WSD>, and was taken, and for his valiantnesse, of the king frankelie and freelie deliuered. 
Meaning of the word marked with <WSD> tags:  Testicle.