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1. a system of training to improve the memory
2. (Card Games) (often not capital) Also called: pairs or concentration (esp US)a memory card game in which a pack of cards is spread out face down and players try to turn up pairs with the same number
[named after the Pelman Institute, founded in London in 1898]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a system of mental development exercises.See also: Thinking
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