[Ger.; according to Grimm a. Rumansch favugn:—L. Favōnius.] A warm dry south wind which blows down the valleys on the north side of the Alps.

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1865.  D. Page, Handbk. Geol. Terms, Föhn.—The name given in Switzerland to the hot southerly winds of summer (the sirocco).

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1883.  Ouida, Wanda, I. 77. The fohn was blowing fiercely all the time, and flung the men headlong on the boat’s bottom twice ere they could seize the swimmer.

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1883.  Guardian, 14 March, 392. Builders … had to guard against the föhn and other Swiss winds.

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