Sentence:  Gyrovagues: Monks who were accustomed to wander from place to place. In modern times, perhaps, any of the various <WSD>circumforaneous</WSD> proselytizers who go from door to door—Jehovah's Witnesses, Mormons, et al. 
Meaning of the word marked with <WSD> tags:  Wandering from place to place or market to market.