Squall (skwa̤l), n. [Cf. Sw. sqval an impetuous running of water, sqvalregn a violent shower of rain, sqvala to stream, to gush.] A sudden and violent gust of wind often attended with rain or snow.
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The gray skirts of a lifting squall. Tennyson.
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Black squall, a squall attended with dark, heavy clouds. -- Thick squall, a black squall accompanied by rain, hail, sleet, or snow. Totten. -- White squall, a squall which comes unexpectedly, without being marked in its approach by the clouds. Totten.
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