a. Obs.1° [f. L. ventōs-us VENTOSE a. + -AL.] Performed or done by the wind.

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1782.  W. Hooper, Rational Recr. (ed. 2), II. 209. A ventosal symphony. At the top of a summer-house, or other building, freely exposed to the wind, let there be fixed [etc.].

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