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English definition of “upwind”

upwind

adverb [before noun], adjective uk   /ˌʌpˈwɪnd/ us  
in the direction from which the wind is blowing: Stay upwind of the fumes if you can.
Opposite
Wind and windsStormy weather
(Definition of upwind from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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