prevailing wind

[ prĭ-vālĭng ]

A wind that blows predominantly from a single general direction. The trade winds of the tropics, which blow from the east throughout the year, are prevailing winds. See illustration at wind.

Nearby words

  1. prev.,
  2. prevail,
  3. prevail on,
  4. prevailing,
  5. prevailing westerlies,
  6. prevailingly,
  7. prevalence,
  8. prevalent,
  9. prevalently,
  10. prevaricate

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.