Taj Mahal (?t??d? m??h??l) n (Placename) a white marble mausoleum in central India, in Agra on the Jumna River: built (1632?43) by the emperor Shah Jahan in memory of his beloved wife, Mumtaz Mahal; regarded as the finest example of Mogul architecture[Urdu, literally: crown of buildings]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014