Ma'anar ƙamus na kalmar "ƙurar ƙwanƙwasa" ƙaramin makami ne na ƙarfe wanda aka ƙera don dacewa da ƙuƙumma, ana amfani da shi wajen faɗa da hannu a matsayin hanyar ƙara ƙarfin naushi. Ana kuma san shi da ƙullun ƙarfe, ƙuƙumma, ko ƙwanƙwasa.
