Sentence:  Or take an eastbound Met from King's Cross outside the rush hour, when you ought to be able to find a <WSD>window seat</WSD>. Again, look up, to see the beautiful brick valley made by the Metropolitan: the towering arcaded walls with brick struts going over. 
Meaning of the word marked with <WSD> tags:  A seat beside a window in public transport, as in a bus, train or passenger aircraft.