Meaning of Ferrel's law

Fer'rel's law'

Pronunciation: (fer'ulz), [key]
  1. the law that wind is deflected to the right in the Northern Hemisphere and to the left in the Southern Hemisphere, derived from the application of the Coriolis effect to air masses.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.