ppl. a. [f. BILLOW v. + -ING2.] Rolling or rising in billows; undulating.

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1718.  Prior, Solomon, III. 129. The billowing Snow.

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1812.  Sir R. Wilson, Priv. Diary, I. 42. The background … was formed by billowing mountains.

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1854.  De Quincey, Joan of Arc, Wks. III. 242. The fiery smoke rose in billowing volumes.

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