ARCHITECTURE
'(<a href="http://www.j-archive.com/media/2009-11-30_DJ_06.jpg" target="_blank">Jimmy of the Clue Crew shows a castle wall on the monitor.</a>)  The name of <a href="http://www.j-archive.com/media/2009-11-30_DJ_06a.jpg" target="_blank">this</a> defensive wall comes from words meaning "protect" & "chest"; it's still used as a protective barrier on bridges & balconies'
a parapet