hepiheptameter heptagon (English) [ IPA: ˈheptəˌgɑn ASM: হেপ্টাগন]Contributed by: Moniram Kro on 2010-11-23 1. (Material Noun-Neuter) A plane figure consisting of seven sides and having seven angles সাতটা বাহুৰে আৱৰা সমতল ক্ষেত্ৰ English: heptagon, Assamese: সপ্তভূজ