Source : Webster's Revised Unabridged Dictionary (1913)

Anti-trade \An"ti-trade`\, n.
   A westerly wind which blows nearly continuously between
   30[deg] and 50[deg] of latitude in both the northern and the
   southern hemisphere.

Anti-trade \An"ti-trade`\, n.
   A tropical wind blowing steadily in a direction opposite to
   the trade wind.