Ram  —n. 1 uncastrated male sheep. 2 (the ram) zodiacal sign or constellation aries. 3 hist. = *battering-ram. 4 falling weight of a pile-driving machine. 5 hydraulically operated water pump. —v. (-mm-) 1 force or squeeze into place by pressure. 2 (usu. Foll. By down, in, etc.) Beat down or drive in by heavy blows. 3 (of a ship, vehicle, etc.) Strike violently, crash against. 4 (foll. By against, into) dash or violently impel. [old english]