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1. (Computer Science) Rich Site Summary: a way of allowing web users to receive news headlines and updates on their browser from selected websites as soon as they are published
2. (Computer Science) (as modifier): an RSS newsfeed.
3. (Computer Science) Really Simple Syndication: a way of allowing web users to receive syndicated newsletters and email alerts
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014