Sentence:  The <WSD>"bidental</WSD>" was a place that had been struck with lightning, and afterwards expiated by the erection of an altar and the sacrifice of sheep, "hostiis bidentibus"; from which last circumstance it took its name. 
Meaning of the word marked with <WSD> tags:  In Ancient (Rome), a place that had been struck by (lightning) and (consecrated) and enclosed.