- Bengali Word জুম্মা, জুমাEnglish definition[Arabic] (noun) (1) weekly congregational prayer on Friday. (2) Friday. জুম্মাঘর (noun) a mosque in which weekly congregational prayer as well as five canonical prayers are hold regularly. জুম্মাবার (noun) Friday. জুম্মা মসজিদ (noun) (1) a mosque spacious enough to accommodate weekly congregational prayers. (2) the famous congregational mosque at old Delhi built by emperor Shahjahan.