A typhoon is a mature tropical wind that develops in the western part of the North Pacific Ocean between 180° and 100°E.

A typhoon differs from a cyclone or hurricane only on the basis of location.A hurricane is a storm that occurs in the Atlantic Ocean and northeastern Pacific Ocean, a typhoon occurs in the northwestern Pacific Ocean, and a cyclone occurs in the south Pacific or Indian Ocean.

Monsoon, typhoon These words referred to wind and rain events off the coasts of India and China in their earliest use in Western languages and are seen first in Portuguese in the early 16th century. Arabic sea-merchants were active in the East Indies long before the Portuguese arrived ." موسم" mawsim, season, used in Arabic for anything that comes round once a year (such as festive season) and used by Arab sailors in the East Indies for the seasonal sailing winds. طوفان tūfān, a big rainstorm, a deluge, and used in the Koran for Noah's Flood.

More Info: en.wikipedia.org