folksonomy
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folk·son·o·my
(fōk-sŏn′ə-mē′)n. pl. folk·son·o·mies
A collection of metatags generated by users of a particular website that together create a taxonomy that categorizes the content of that website.
[Coined in 2004 by Thomas Vander Wal, American information architect, as a blend of folk and taxonomy.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
folksonomy
(fəʊkˈsɒnəmɪ)n
a system of classification that makes use of terms that occur naturally in the language of users of the system
[C21: from folk + taxonomy]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014