Hadhramaut (?h??dr??m??t) or Hadramautn (Placename) a plateau region of the S Arabian Peninsula, in SE Yemen on the Indian Ocean; formerly in South Yemen: corresponds roughly to the former East Aden Protectorate. Area: about 151 500 sq km (58 500 sq miles)Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014Ha?dhra?maut or Ha?dra?maut (?h? dr??mo?t) n. a region on the S coast of Arabia, on the Arabian Sea, in the Republic of Yemen. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.