Source : Webster's Revised Unabridged Dictionary (1913)

Ram \Ram\, v. t. [imp. & p. p. {Rammed}; p. pr. & vb. n.
   {Ramming}.]
   1. 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.

            [They] rammed me in with foul shirts, and smocks,
            socks, foul stockings, greasy napkins. --Shak.

   2. To fill or compact by pounding or driving.

            A ditch . . . was filled with some sound materials,
            and rammed to make the foundation solid.
                                                  --Arbuthnot.

Ram \Ram\, n. [AS. ramm, ram; akin to OHG. & D. ram, Prov. G.
   ramm, and perh. to Icel. ramr strong.]
   1. The male of the sheep and allied animals. In some parts of
      England a ram is called a tup.

   2. (Astron.)
      (a) Aries, the sign of the zodiac which the sun enters
          about the 21st of March.
      (b) The constellation Aries, which does not now, as
          formerly, occupy the sign of the same name.

   3. An engine of war used for butting or battering.
      Specifically:
      (a) In ancient warfare, a long beam suspended by slings in
          a framework, and used for battering the walls of
          cities; a battering-ram.
      (b) 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.

   4. A hydraulic ram. See under {Hydraulic}.

   5. The weight which strikes the blow, in a pile driver, steam
      hammer, stamp mill, or the like.

   6. The plunger of a hydraulic press.

   {Ram's horn}.
      (a) (Fort.) A low semicircular work situated in and
          commanding a ditch. [Written also {ramshorn}.]
          --Farrow.
      (b) (Paleon.) An ammonite.

Source : WordNet®

RAM
     n 1: the most common computer memory which can be used by
          programs to perform necessary tasks while the computer
          is on; an integrated circuit memory chip allows
          information to be stored or accessed in any order and
          all storage locations are equally accessible [syn: {random-access
          memory}, {random access memory}, {random memory}, {read/write
          memory}]
     2: (astrology) a person who is born while the sun is in Aries
        [syn: {Aries}]
     3: the first sign of the zodiac which the sun enters at the
        vernal equinox; the sun is in this sign from about March
        21 to April 19 [syn: {Aries}, {Aries the Ram}]
     4: a tool for driving or forcing something by impact
     5: uncastrated adult male sheep; "a British term is `tup'"
        [syn: {tup}]

Source : Free On-Line Dictionary of Computing

RAM
     
        1.  {Random Access Memory}.
     
        2.  Rarely Adequate Memory.
     
        A humorous reference to the fact that programs and data
        expand to fill the memory available.
     
        (1995-04-22)