Real Dictionary

hurricane
countable noun: A hurricane is an extremely violent wind or storm.

hurricane in American English
a violent tropical cyclone with winds moving at 73 or more miles per hour, often accompanied by torrential rains, and originating usually in the West Indian region: winds of hurricane force sometimes occur in the absence of a hurricane system
noun: a violent, tropical, cyclonic storm of the western North Atlantic, having wind speeds of or in excess of 72 mph (32 m/ sec)

hurricane in British English
noun: a severe, often destructive storm, esp a tropical cyclone
noun: a single-engined, single-seat British fighter aircraft of World War II, built by Hawker; noted for its role in the Battle of Britain (1940)

hurricane in Insurance
noun: A hurricane is an extremely violent storm that begins over ocean water.