tailwind

Etymology

tail + wind

noun

  1. (nautical, physics) A wind that blows in the same direction as the course taken by an aircraft, sailing ship, bird, etc.
  2. (figurative, by extension) A force that accelerates progress.

verb

  1. Of a wind, to blow on a windmill or wind turbine in such a way that wind pressure is exerted on the wrong side of the sail or turbine assembly.

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