Sentence:  He ran on his plump sticks of legs , freezing now and again into the sudden startled attitudes which the <WSD>camera</WSD> 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:  equipment for taking photographs (usually consisting of a lightproof box with a lens at one end and light-sensitive film at the other)