folksonomy Syllabification: (folk·son·o·my)Pronunciation: /ˌfōkˈsänəmē/Definition of folksonomy noun (plural folksonomies) a user-generated system of classifying and organizing online content into different categories by the use of metadata such as electronic tags. Origin: early 21st century: blend of folks (see folk) and taxonomyfolksonomy in other Oxford dictionaries Definition of folksonomy in the British & World English dictionary