tailwind
noun
- type of wind by direction of travel
Wiktionary
Pronunciation: /ˈteɪlwɪnd/
noun
Etymology: From tail + wind.
- A wind that blows in the same direction as the course taken by an aircraft, sailing ship, bird, etc.; a following wind.
- A force that accelerates progress.
verb
Etymology: From tail + wind.
- 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.