From Longman Dictionary of Contemporary EnglishRelated topics: Nature, Meteorologyheadwindhead‧wind /ˈhedˌwɪnd/ noun [countable, uncountable]DNHEMa wind that blows directly towards you when you are movingOPP tailwindExamples from the Corpusheadwind• He ran 10.03 seconds into a headwind.• However, Oxford's longer reach, excellentrhythm and exceptionalfitness could provedecisive in the predictedheadwind.• At that point, even a 3,000-mileplaneride home into relentlessheadwinds almost seemed preferable to Vancouver.• They found their way inside the collar of my coat as I trekked along Dudhope Terrace against a strong headwind.• Sunnyconditions in temperatures below zero can suddenly turn to biting conditions in a strong headwind.• The first two left the ground at almost the same instant and climbed easily with the help of the headwind.