A wind that blows in the same direction as the course of an aircraft or ship(noun)
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Use "tailwind" in a sentence
"In a pitch from last month, FAOFool shares that sentiment, touching on Lab Corp. 's monstrous long-term tailwind:"
"It may even be - I don't want to use the word tailwind because you've sort of pooh-poohed that a little bit, but it shouldn't be nearly a headwind, right?"
"Because the tailwind was about 9 mph, double the allowable, the world record remains 9.72, set May 31 by Jamaica's Usain Bolt in New York City."