noun
Historical or military term for a solid projectile fired from a cannon.
城壁に砲丸が打ち込まれた。
Cannonballs were fired into the castle walls.
noun
Sports term; the heavy metal ball used in the shot put event. Often appears in the compound 砲丸投げ (shot put).
See also:
彼は砲丸を遠くまで投げた。
He threw the shot a long way.
砲丸投げの選手は毎日練習している。
The shot put athlete practices every day.