释义 |
ram·mer \ˈramə(r)\ noun (-s) Etymology: Middle English, from rammen to ram + -er — more at ram : one that rams: as a. : an instrument for driving something (as stones, piles, earth) with force b. : a rod made chiefly of wood and operated by hand or entirely of metal and operated by power that is used for ramming home the projectile or the charge of a gun c. : a worker who compacts sand around mold patterns |