Trade wind

//ˈtɹeɪd ˈwɪnd// noun

Definitions

Noun
  1. 1
    A steady wind that blows from east to west above and below the equator.

    "They rode the trade winds going west."

  2. 2
    steady winds blowing from east to west above and below the equator wordnet

Etymology

Compound of trade (“course, path (of running)”, from 14th c.) + wind, because of their consistent linear direction. Associations with transatlantic trade are a later folk etymology.

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