Definition of "anticyclone" []

• An extensive system of winds spiraling outward from a high-pressure center, circling clockwise in the Northern Hemisphere and counterclockwise in the Southern Hemisphere. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Summer weather was once determined by a phenomenon called the anticyclone of the Azores, a high-pressure zone over the Atlantic that brought Italy hot, dry periods relieved by summer storms, and then a definitive break in mid-August when a final storm broke up the anticyclone for good."
• "I have had a fortnight of perfect weather here -- the meteorologists call it by the horrible and ugly name of "anticyclone," which suggests, even more than the word "cyclone" suggests, the strange weather said by the"
• "A large anticyclone over western Russia helped to move a plume of hot air across eastern Europe last week."