Tiruchirapalli (?t?r?t??r??p?l?; t??ru?t???r??p?l?) or Trichinopolyn (Placename) an industrial city in S India, in central Tamil Nadu on the Cauvery River: dominated by a rock fortress 83 m (273 ft) high. Pop: 746 062 (2001)Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014Tir?u?chi?ra?pal?li or Tir?uch?chi?rap?pal?li (?t?r ? t???r?p ? li) n. a city in central Tamil Nadu, in S India. 387,223. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.