Ram

1. A hydraulic ram. See under Hydraulic.
2. To butt or strike against; to drive a ram against or through; to thrust or drive with violence; to force in; to drive together; to cram; as, to ram an enemy's vessel; to ram piles, cartridges, etc.
3. The male of the sheep and allied animals. In some parts of England a ram is called a tup.
4. A heavy steel or iron beak attached to the prow of a steam war vessel for piercing or cutting down the vessel of an enemy; also, a vessel carrying such a beak.
5. The plunger of a hydraulic press.
6. To fill or compact by pounding or driving.
7. In ancient warfare, a long beam suspended by slings in a framework, and used for battering the walls of cities; a battering-ram.
8. Aries, the sign of the zodiac which the sun enters about the 21st of March.
9. An engine of war used for butting or battering.
10. The weight which strikes the blow, in a pile driver, steam hammer, stamp mill, or the like.
11. The constellation Aries, which does not now, as formerly, occupy the sign of the same name.