砲丸 ほうがん Meanings Noun cannonball shot (in the shot put) See also: 砲丸投げ (ほうがんなげ). Kanji 砲 cannon. Read as ホウ. 丸 round. Read as ガン. Words containing 砲丸 砲丸投げ (ほうがんなげ) shot put Jinuma: Japanese Dictionary · Word lists