Definition of Typhoon

Typhoon: A regionally specific name for a strong tropical cyclone in the Northwest Pacific Ocean west of the dateline.

Other terms for precisely the same type of storm include hurricane (in the North Atlantic Ocean, the Northeast Pacific Ocean east of the dateline, or the South Pacific Ocean east of 160E), severe tropical cyclone (in the Southwest Pacific Ocean west of 160E or Southeast Indian Ocean east of 90E), severe cyclonic storm (in the North Indian Ocean) and tropical cyclone (in the Southwest Indian Ocean).

See: Hurricane supplies kit.