Top Definition
One of the two legendary Pokemon of the fourth generation, Diamond and Pearl. Its type is Steel/Dragon type. It is only available on the Diamond version. In the Pokedex, it is #483. Due to its typing, it is weak to Fighting and Ground.

1505.7 lbs
I finally got my Dialga to level 100, but my game got deleted...
by Jack Spearow April 25, 2008
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