mangalsutra (?mæ???l?s?tr?) n (Jewellery) a necklace worn by a Hindu woman to signify that she is marriedCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014