01 n. Orig., at Sydney, a cold and violent south or southwest wind, rising suddenly, and regularly preceded by a hot wind from the north; -- now …
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1.
Orig., at Sydney, a cold and violent south or southwest wind, rising suddenly, and regularly preceded by a hot wind from the north; -- now usually called southerly buster. It blew across the Brickfields, formerly so called, a district of Sydney, and carried clouds of dust into the city.[Australia] Also: southerly buster
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2.
By confusion, a midsummer hot wind from the north.