Definition of trade wind in English:

trade wind

Line breaks: trade wind
Pronunciation: /ˈtreɪdwɪnd


  • A wind blowing steadily towards the equator from the north-east in the northern hemisphere or the south-east in the southern hemisphere, especially at sea. Two belts of trade winds encircle the earth, blowing from the tropical high-pressure belts to the low-pressure zone at the equator.
    More example sentences
    • The southeast trade wind blows softly from the Coral Sea.
    • It's 80 degrees, and there's a warm trade wind blowing in.
    • If we get the trade wind, a south westerly, our task will be that much easier but it's still a daunting prospect.


mid 17th century: from the phrase blow trade 'blow steadily in the same direction'. Because of the importance of these winds to navigation, 18th-century etymologists were led erroneously to connect the word trade with ‘commerce’.

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