Sentence:  But the baron, who was neither ſo <WSD>wieldy</WSD> nor ſupple in his joints as his companions, flounced himſelf down with ſuch precipitation, that his feet ſuddenly tilting up, came in furious contact with the head of the marquis, ... 
Meaning of the word marked with <WSD> tags:  Able to wield one's body well; active, dexterous.