Sentence:  These two circumstances, however, happening both unfortunately to intervene, our travellers <WSD>deviated</WSD> into a much less frequented track; and after riding full six miles, instead of arriving at the stately spires of Coventry, they found themselves still in a very dirty lane, where they saw no symptoms of approaching the suburbs of a large city. 
Meaning of the word marked with <WSD> tags:  To go off course from; to change course; to change plans.