grapeshot

名词 grapeshot:

1. a cluster of small projectiles fired together from a cannon to produce a hail of shot

grape.shot

n.（名词）
A cluster of small iron balls formerly used as a cannon charge.
葡萄弹，霰弹：以前用作火包装填物的一簇小铁丸

来源：
[From its resemblance to a cluster of grapes]
[因其象一簇葡萄而得名]