MARRON Meaning of MARRON in English [mar.ron] n [F] (1594) 1: a large Mediterranean chestnut (Castanea sativa) or its sweet edible nut--called also Spanish chestnut 2. mar.rons pl: chestnuts preserved in vanilla-flavored syrup Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012