eBay (?i?be?) n (Communications & Information) trademark a website that people and companies can use to buy or sell goods; items may be bought for a fixed price, or sold to the buyer who offers the highest price Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014