A MONSOON IS any wind that reverses direction seasonally. These occur in many parts of the globe, but the most famous is the Indian monsoon wind. The name monsoon is an adoption of the Arabic word mausim, which means season. For centuries, Arab sailors took the seasonal mausim as a wind that would carry them to India and beyond. The term was originally applied [Page 667]to the Indian monsoon. However, as the phenomenon came to be studied more thoroughly, the term monsoon has been applied to other annual weather cycles in both tropical and subtropical regions. It has also been applied to evidence of weather patterns in the geologic past, such as a monsoon system over the prehistoric super-continent of Pangaea, and to some extreme ...