From Longman Dictionary of Contemporary Englishzoningzon‧ing /ˈzəʊnɪŋ $ ˈzoʊ-/ noun [uncountable]  SGa system of choosing areas to be developed for particular purposes, such as houses or shops, when planning a town
                                                    
                                                Examples from the Corpus
zoning• Of course we do accept arbitrary distinctions about some matters: zoning, for example. 
