1.  Work produced by frost; esp. the delicate tracery formed on the surface of glass, etc. by frost.

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1729.  Savage, Wanderer, III. 65.

        In Frost-work now delight the sportive kind [Fairies]:
Now court wild Fancy in the whistling Wind.

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1827.  Gentl. Mag., XCVII. II. 483. I peeped through the chamber window externally beautified by the glittering frost-work.

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1862.  M’Cosh, Supernat., II. i. § 4. 153. The frostworks on our flag-stones, and windows, so like the tree in their ramifications.

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  fig.  1792.  S. Rogers, The Pleasures of Memory, II. 437.

        If but a beam of sober Reason play,
Lo, Fancy’s fairy frost-work melts away!

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1853.  C. Brontë, Villette, xix. 188. Those few warm words, though only warm with anger, breathed on that frail frost-work of reserve; about this time, it gave note of dissolution.

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  attrib.  1822.  Shelley, Hellas, 413.

        Armies of the Eternal, ye who strike
To dust the citadels of sanguine kings,
And shake the souls throned on their stony hearts,
And thaw their frostwork diadems like dew.

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1832.  J. Bree, St. Herbert’s Isle, 4. The frost-work palace of an April night.

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  2.  Ornamentation in imitation of this.

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1648.  E. Sparke, in J. Shute, Sarah & Hagar (1649), Pref. b 1 a. Many others set but their slight Frost-works upon Sattin.

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1664.  Power, Experimental Philosophy, I. 7. Her [the Horse-Fly’s] body looks like silver in frost-work, onely fring’d all over with white silk.

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1872.  Ruskin, Eagle’s Nest, § 174. The feathers like frost-work of silver.

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  attrib.  1703.  Moxon, Mech. Exerc., 59. Like frost work Silver.

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  Hence Frost-worked ppl. a., ornamented with frost-work, frosted.

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1710.  Lond. Gaz., No. 4748/4. A small silver Milk Pot frost worked.

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