Also 7 venteduct. [f. L. venti-, ventus wind + duct-us a conducting.]

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  1.  A pipe or passage serving to bring cool or fresh air into an apartment or place, esp. in Italy and other warm climates.

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1615.  G. Sandys, Trav., 261. Cold winds … such as by venteducts from the vast caues aboue Padua they let into their roomes at their pleasure.

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1660.  Boyle, New Exp. Phys.-Mech., 173. I have been informed of divers Ventiducts (as they call them) by very knowing Travellers that have observ’d them.

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1685.  Cotton, trans. Montaigne, III. 320. I would fain know what pain it was to the Persians … to make such ventiducts … as Xenophon reports they did.

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1702.  Floyer, Cold Baths, I. iv. (1709), 108. They stop their Sweats, unseasonably by Cold Air, by Fanning, Ventiducts, or Cold Baths.

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1715.  Leoni, Palladio’s Archit. (1742), I. 33. From these Caves arise extreme cold Winds … through certain subterranean Vaults, named … Ventiducts: and … through all the Chambers … these Wind-Pipes, or Ventiducts, are discharg’d.

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[1818.  Southey, in Q. Rev., XIX. 18 (copying Evelyn, Acetaria, II. xi.). His scheme of a Royal Garden comprehended … precipices and ventiducts.]

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1884.  Health Exhib. Catal., 106/1. Ventiduct, to bring in fresh air without dust or fog.

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  fig.  1652.  Benlowes, Theoph., XII. cxvii. Th’ herb [sc. tobacco] that cramp and tooth-ache drives away,… whose pipe’s both ventiduct and stove.

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a. 1658.  Cleveland, News from Newcastle, 52. What need we baths? What need we bower, or grove? A Coal-pit’s both a Ventiduct and Stove.

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  b.  A conduit for the passage of wind, air or steam.

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1685.  Phil. Trans., XV. 922. I … discover’d in severall dry places of the ground thereabouts, many little Ventiducts, passages, or clefts, where the Steam issued forth.

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1725.  J. Reynolds, View of Death (1735), 23. This channel is called by … the English miners the drift; by Mr. Boyle, the ventiduct.

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1843.  in C. Morfit, Tanning & Currying (1853), 177. A ventiduct, made of plank,… should extend from the centre.

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  transf.  1876.  Mrs. Whitney, Sights & Ins., II. xvi. 458. From these cold, dark ventiducts [i.e., thoroughfares] you may come out suddenly upon a bright warm corner of an open square.

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  2.  attrib. Of a hat: = VENTILATORY a.

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1862.  Catal. Internat. Exhib., Brit., II. No. 4808. Patent corrugated ventiduct hat.

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