a. [f. L. vortīgin-, vortīgo, var. of vertīgo: see VERTIGINOUS a.]

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  1.  Of motion: Vortical, vorticular.

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1671.  R. Bohun, Wind, 230. The spirit or Wind … whirls about in a Circle: for … the density and resistence of the Cloud, gives it an oblique or Vortiginous Motion.

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1774.  Pennant, Tour Scot. in 1772, 75. Great circular hollows, the work of the Vortiginous Motion of the Water.

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1784.  Cowper, Task, II. 102. The fixt and rooted earth … with vortiginous and hideous whirl Sucks down its prey insatiable.

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  2.  Moving in a vortex or vortices; rushing in whirls or eddies.

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1791.  Cowper, Iliad, XXI. 2. Where Xanthus winds His stream vortiginous.

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1804.  C. B. Brown trans. Volney’s View Soil U.S., 145. Acquires a vortiginous direction around a horizontal axis. Ibid., 168. In the same manner may water-spouts be explained, which are vortigenous [sic] masses of air and water, seen only in cloudy weather.

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1813.  Edin. Rev., XXI. 137. The great, deep, and vortiginous Scamander had dwindled into a scanty rivulet.

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