glade Syllabification: (glade)Pronunciation: /glād/Translate glade | into German | into Italian Definition of glade noun an open space in a forest. Origin: late Middle English: of unknown origin; perhaps related to glad1 or gleam, with reference to the comparative brightness of a clearing (obsolete senses of glade include 'a gleam of light' and 'a bright space between clouds')glade in other Oxford dictionaries Definition of glade in the British & World English dictionary