Ma'anar ƙamus na "bam ɗin jaka" wani nau'in bam ne da ke ɓoye a cikin akwati, yawanci ana amfani da shi azaman hanyar kai harin ta'addanci ko yunƙurin kisa. Bam din dai yawanci ana tsara shi ne don tada shi daga nesa, kuma yana iya kasancewa da abubuwa daban-daban, kamar fashe-fashe na robobi ko na gida, tare da tarkace ko wasu abubuwa masu muni. Ana yawan amfani da kalmar “bam ɗin bam” don bayyana takamaiman nau’in bama-bamai (IED) da ake son ɗauka da turawa ta mutum ɗaya, maimakon na’urar da ta fi girma, ta zamani wacce ke buƙatar jami’ai da yawa don aiwatar da su.