• Bengali Word কোমর English definition [Persian] (noun) part of the human body between the ribs and hips; the waist. কোমর বন্দ (noun) girdle or belt for the waist. কোমর বাঁধা (verb transitive) 1 resolve (on doing a thing); fix up one’s mind; be determined. 2 be up and doing to achieve one’s end; try to do something in right earnest.