Sentence:  The remarks she made about the sufferings of a lonely woman seemed so broad at first that he did n't know what to make of them , but after the sixth drink he put his <WSD>arm</WSD> around her and suggested that they go upstairs and look for her checkbook there . 
Meaning of the word marked with <WSD> tags:  a human limb; technically the part of the superior limb between the shoulder and the elbow but commonly used to refer to the whole superior limb