Wordnet 3.0
NOUN (1)
1. 
 Babylonian god of storms and wind; 
The Collaborative International Dictionary of English v.0.48:
Adad \Adad\ n.
   1. the Babylonian god of storms and wind.
      [WordNet 1.5]
WordNet (r) 3.0 (2006):
Adad
    n 1: Babylonian god of storms and wind