母彈

parent shell (of a cluster bomb)

mother / elderly female relative / origin / source / (of animals) female

crossball / bullet / shot / shell / ball

to pluck (a string) / to play (a string instrument) / to spring or leap / to shoot (e.g. with a catapult) / (of cotton) to fluff or tease / to flick / to flip / to accuse / to impeach / elastic (of materials)

(military) cluster bomb / shrapnel