noun
ramming; rammer
Refers to the act of ramming or a tool used for ramming, such as in construction or artillery. The word is somewhat technical and not common in everyday conversation.
工事現場で胴突きを使って地面を固めた。
They used a rammer to compact the ground at the construction site.
昔の大砲では、弾を込めた後に胴突きで押し固めた。
In old cannons, after loading the projectile, they tamped it down with a rammer.
Compound of 胴 (どう, 'trunk, body') and 突き (つき, 'thrusting, pushing'), referring to a tool or action that pushes or rams something. The exact historical derivation is uncertain.