Sentence:  With just the turn of a <WSD>shoulder</WSD> she indicated the water front, where, at the end of the dock on which they stood, lay the good ship, "Mount Vernon", river packet, the black smoke already pouring from her stacks. In turn he smiled and also shrugged a <WSD>shoulder</WSD>. 
Meaning of the word marked with <WSD> tags:  The part of the human torso forming a relatively horizontal surface running away from the neck.