[1] : The Collaborative International Dictionary of English v.0.48

pot \pot\, n. akin to lg. pott, d. pot, dan. potte, sw. potta,
   icel. pottr, f. pot; of unknown origin.
   1. a metallic or earthen vessel, appropriated to any of a
      great variety of uses, as for boiling meat or vegetables,
      for holding liquids, for plants, etc.; as, a quart pot; a
      flower pot; a bean pot.
      1913 webster

   2. an earthen or pewter cup for liquors; a mug.
      1913 webster

   3. the quantity contained in a pot; a potful; as, a pot of
      ale. "give her a pot and a cake." --de foe.
      1913 webster

   4. a metal or earthenware extension of a flue above the top
      of a chimney; a chimney pot.
      1913 webster

   5. a crucible; as, a graphite pot; a melting pot.
      1913 webster

   6. a wicker vessel for catching fish, eels, etc.
      1913 webster

   7. a perforated cask for draining sugar. --knight.
      1913 webster

   8. a size of paper. see pott.
      1913 webster

   9. marijuana. slang
      pjc

   10. the total of the bets at stake at one time, as in racing
       or card playing; the pool; also racing, eng. a horse
       heavily backed; a favorite. slang
       webster 1913 suppl.

   11. armor a plain defensive headpiece; later, and perhaps
       in a jocose sense, any helmet; -- called also pot
       helmet.
       webster 1913 suppl.

   12. card playing the total of the bets at one time; the
       pool.
       webster 1913 suppl.

   jack pot. see under 2d jack.

   pot cheese, cottage cheese. see under cottage.

   pot companion, a companion in drinking.

   pot hanger, a pothook.

   pot herb, any plant, the leaves or stems of which are
      boiled for food, as spinach, lamb's-quarters, purslane,
      and many others.

   pot hunter, one who kills anything and everything that will
      help to fill has bag; also, a hunter who shoots game for
      the table or for the market.

   pot metal.
       a the metal from which iron pots are made, different
           from common pig iron.
       b an alloy of copper with lead used for making large
           vessels for various purposes in the arts. --ure.
       c a kind of stained glass, the colors of which are
           incorporated with the melted glass in the pot.
           --knight.

   pot plant bot., either of the trees which bear the
      monkey-pot.

   pot wheel hydraul., a noria.

   to go to pot, to go to destruction; to come to an end of
      usefulness; to become refuse. colloq. --dryden. --j. g.
      saxe.
      1913 webster
see also:
pott pot helmet jack pot jack pot cheese cottage 
pot companion pot hanger pot herb pot hunter pot metal 
pot plant pot wheel to go to pot 

[2] : WordNet (r) 2.0

pot metal
     n 1: cast iron used for making cooking wares
     2: an alloy of copper and lead used especially for making large
        pots

Base Metal >> B Words
Base Metal, definition of term: Base Metal
base+metal_pag1.html

Alkali Metal >> A Words
Alkali Metal, definition of term: Alkali Metal
alkali+metal_pag1.html