Sentence:  When he was in the war , he was in Law or Supplies or something like that , and an old buddy of his told me he would come down on Sundays to the <WSD>Pentagon</WSD> and read the citations for medals - just like the one we sent in for Trig - and go away with a real glow . 
Meaning of the word marked with <WSD> tags:  a government building with five sides that serves as the headquarters of the United States Department of Defense