coupletcoupon coupling (English) [ IPA: ˈkəplɪŋ ASM: কপলিং]Contributed by: Prasanta Borah (প্ৰশান্ত বৰা) on 2008-02-06 1. (Material Noun-Neuter) a device for connecting railway vehicles or parts og machinery together. ৰেলগাড়ীৰ ডবাবোৰ সংযোগ কৰা এবিধ আহিলা । English: coupling, Assamese: কপলিং