QUADRENNIAL Meaning of QUADRENNIAL in English quadrenni|al BrE AmE kwɒ ˈdren i‿|əl AmE \ kwɑː-▷ quadrenni|a ə▷ quadrenni|ally əl‿i▷ quadrenni|um əm Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012