Sentence:  The Prior with his silvery locks at the high altar stands ; The Prince in reverend posture bends, ungauntleted his hands ; And doffed the sword of Ravenspur, <WSD>unvisored</WSD> too his brow, The warrior of a hundred fields a lowly votary now ! 
Meaning of the word marked with <WSD> tags:  To remove or lift a visor from one's face.