Sentence:  A troop of Zurich yeomanry, having been reviewed, were "<WSD>clampering</WSD>," it could not be called prancing, on their great heavy steeds, through the town, to the great wonder and admiration of the idlers and their assistants, who were lounging about in considerable numbers. 
Meaning of the word marked with <WSD> tags:  To move in a noisy and clumsy manner.