noun
A weapon that releases multiple smaller submunitions. Often discussed in the context of international bans.
See also: クラスター爆弾
集束爆弾の使用は国際条約で禁止されている。
The use of cluster bombs is prohibited by international treaty.
Synonymous; クラスター爆弾 is the more common katakana loanword form.
Compound of 集束 (shūsoku, 'convergence' or 'focusing') and 爆弾 (bakudan, 'bomb'), describing a bomb that concentrates submunitions.