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British Dictionary definitions for icq

ICQ

noun
  1. trademark an instant messaging computer program that enables internet users to locate and communicate with one another online
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Word Origin

approximate abbreviation of I seek you
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012