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

pol·y·se·mous (pŏl'ç-sç'məs)
adj.
Having or characterized by many meanings: highly polysemous words such as play and table.

[From Late Latin polysçmus, from Greek polusçmos : polu-, poly- + sçma, sign.]

pol'y·se'my (pŏl'ç-sç'mç, pə-lĭs'ə-) n.