Definition of borasca
1 : a squall often attended with a thunderstorm occurring especially in the Mediterranean
2 [Mexican Spanish borrasca unproductiveness (of a mine), from Spanish, squall] a : a mine section or an entire mine that is largely oreless : an unproductive mine b : unproductiveness especially of a mine; also : penury want
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Origin and Etymology of borasca
Spanish borrasca, from Late Latin borras north wind, from Greek borras, boreas
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