What was the word that jheem used? polysemy. Reckon I'd better LIU now: (From Gurunet)

polysemous (pŏl'-s'məs)
adj.
Having or characterized by many meanings: highly polysemous words such as play and table.

[From Late Latin polysmus, from Greek polusmos : polu-, poly- + sma, sign.]

pol'yse'my (pŏl'-s'm, pə-lĭs'ə-) n.