Sentence:  He <WSD>ran</WSD> on his plump sticks of legs , freezing now and again into the sudden startled attitudes which the camera had caught and held on the paling photographs , all carefully placed and glued and labeled , resting in the fat plush album in the bottom drawer of the escritoire . 
Meaning of the word marked with <WSD> tags:  move fast by using one's feet, with one foot off the ground at any given time