bo·​ras·​ca | \ bəˈraskə\
variants: or less commonly borrasca or borasco \ -​(ˌ)skō \ or borasque \ -​rask \
plural -s

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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History and Etymology for borasca

Spanish borrasca, from Late Latin borras north wind, from Greek borras, boreas

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to move with exaggerated bouncy motions

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